Apps That Work With Garmin (2026): Every Integration and What Syncs

Footnotes

1. Garmin. “Sharing Your Garmin Connect Data With Apple Health.” Garmin Support Center — data types: Active Energy, Body Fat Percentage, Body Mass Index, Flights Climbed, Heart Rate, Resting Energy, Sleep Analysis, Steps, Walking + Running Distance, Water, Weight, Workouts; “Garmin Connect™ pushes data to Apple Health (limited by settings/device support) but doesn’t pull data from an Apple watch or Apple Health”; “Garmin syncs all-day heart rate to Apple Health, but only sends high/low HR values for timed activities”; “Any associated GPS track will NOT be written to Apple Health”; “Garmin Connect must be open in the foreground to send data to Apple Health. If closed, the transfer pauses and completes only on the next sync performed while the app is open”; “the Health app imports your past data going back up to two weeks”; rings “only update with data synced from an Apple Watch”; Connect does not appear “if you only have an Edge® cycling computer registered”; “you likely need to adjust Apple Health’s data source priority.” Accessed November 4, 2026. https://support.garmin.com/en-US/?faq=lK5FPB9iPF5PXFkIpFlFPA ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰ ↩¹¹ ↩¹² ↩¹³ ↩¹⁴ ↩¹⁵ ↩¹⁶ ↩¹⁷ ↩¹⁸ ↩¹⁹ ↩²⁰ ↩²¹ ↩²² ↩²³ ↩²⁴ ↩²⁵ ↩²⁶ ↩²⁷ ↩²⁸

2. Garmin. “Sharing Your Garmin Connect Data With Health Connect.” Garmin Support Center — “Please note that this is a one-way transfer; Garmin will not read any data from Health Connect”; Activity Data: Active and Total Calories Burned, Cycling Pedal Cadence, Distance, Elevation Gained, Heart Rate, Speed, Steps, Swimming Strokes; Wellness Data: Body Fat, Total Calories Burned, Floors Climbed, Heart Rate, Sleep Stages, Steps and Step Distance, Weight; “This feature is only available on Android 14 and above”; “Garmin Connect syncs data to Health Connect after each successful device sync.” Accessed November 4, 2026. https://support.garmin.com/en-US/?faq=JToBEy0jfe6pIygark2Ui5 ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰ ↩¹¹ ↩¹² ↩¹³ ↩¹⁴ ↩¹⁵ ↩¹⁶ ↩¹⁷ ↩¹⁸ ↩¹⁹ ↩²⁰ ↩²¹

3. Garmin. “Syncing a Garmin Connect Activity With a Third-Party Website.” Garmin Support Center — “The Garmin Connect™ platform syncs with many third-party applications. For instructions on how to link a specific app, contact the third-party support team directly”; “One-Way Sync: Most third-party services only receive data from Garmin Connect; they do not send data back to it”; “Two-Way Sync: Some services can send data to Garmin Connect, though supported data types vary by platform”; “No Data Forwarding: Garmin Connect does not forward data received from one third-party site to another.” Accessed November 4, 2026. https://support.garmin.com/en-US/?faq=8L3Z4gEmTk6sXV7ido1Uz6 ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰ ↩¹¹

4. Garmin. “Steps to Link Your Garmin Connect Account with Strava.” Garmin Support Center — linking “allows for activities uploaded to Garmin Connect to automatically show up in Strava”; synced: “Activities uploaded to Garmin Connect,” “Starred Strava courses,” “Starred Strava segments”; “Activities created with Strava will not sync to Garmin Connect”; “The previous one year of activities in your Garmin Connect account will sync to Strava.” Accessed November 4, 2026. https://support.garmin.com/en-US/?faq=4uYoMd5zEt22rg0iehnro9 ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰ ↩¹¹ ↩¹²

5. Garmin. “What Is Heart Rate Variability (HRV)?” Garmin Support Center — “If using a chest strap, ensure it is HRV-capable. HRV data from a chest strap is used to calculate various metrics, but the raw HRV data will not be recorded in Garmin Connect”; “Other ways to view HRV information may be available with the use of a third-party Connect IQ app.” Accessed November 4, 2026. https://support.garmin.com/en-US/?faq=04pnPSBTYSAYL9FylZoUl5 ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶

6. Garmin. “Can Garmin Wearables Broadcast Heart Rate Data?” Garmin Support Center — “Many Garmin devices can broadcast heart rate”; “Any Garmin device or sensor that broadcasts over Bluetooth will also broadcast over ANT+® wireless protocol whenever you enable broadcasting”; “Broadcast heart rate data from our devices does not support secure connections.” Accessed November 4, 2026. https://support.garmin.com/en-US/?faq=Zj1947s6pqAHzBCAhLhrC9 ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶

7. Garmin. “Overview.” Garmin Connect Developer Program — Personal: “Secure access to your own Garmin Connect data for individuals,” Activity Data (JSON & .FIT), Health Data (JSON), Women’s Health Data (JSON), “Pull only”; Starter: Activity, Courses, Health, Training, Women’s Health APIs, “Push only,” Historical Data “Not included,” User Capacity “Limited”; Enterprise: adds Golf API, “Push or Ping/Pull,” Historical Data “1 month +,” “Unlimited,” commercial terms “tailored based on business and technical requirements.” No prices shown. Accessed November 4, 2026. https://developer.garmin.com/gc-developer-program/overview/ ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰ ↩¹¹

8. Tinker D. Post 845 in “API access to Intervals.icu.” Intervals.icu Forum, October 21, 2026 — “All Garmin Connect users can now access a free personal API key directly from Garmin Connect”; “People building apps can apply for Business Starter and start building with Garmin APIs for free”; “There is now a practical direct route to Garmin data for individuals and developers.” Accessed November 4, 2026. https://forum.intervals.icu/t/609/845 ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰

9. TrainingPeaks. “Garmin Connect AutoSync FAQ and tips (activities, workouts, and daily health metrics).” TrainingPeaks Help Center, edited April 23, 2025 — “only the next 15 days of workouts are sent to Garmin on a rolling basis”; “Strength, Day Off, and Brick workouts are not supported”; synced metrics include “Body Battery (the highest and lowest value for each day),” “Stress Level (the daily average),” “HRV” and sleep hours and stages; “There is no option to sync previous body composition data at this time”; “Garmin only allows users one opportunity to sync their Garmin history to TrainingPeaks.” Accessed November 4, 2026. https://help.trainingpeaks.com/hc/en-us/articles/204070864-Garmin-Connect-AutoSync-FAQ-and-tips-activities-workouts-and-daily-health-metrics ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰ ↩¹¹ ↩¹² ↩¹³ ↩¹⁴ ↩¹⁵ ↩¹⁶ ↩¹⁷ ↩¹⁸ ↩¹⁹ ↩²⁰ ↩²¹

10. Cronometer. “Garmin.” Cronometer Support, edited December 6, 2024 — imports “Weight; Body Fat percentage; Sleep (Sleep Duration, Sleep Score, Recovery, Sleep Stages); Exercise; General Activity; Heart Rate; Blood Pressure; Heart Rate Variability (HRV); SpO2; Respiration Rate”; “You can backfill up to two years of Garmin data.” Accessed November 4, 2026. https://support.cronometer.com/hc/en-us/articles/16957825757204-Garmin ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰ ↩¹¹ ↩¹² ↩¹³ ↩¹⁴

11. Tinker D. Reply in “[SOLVED] HRV is missing from Garmin Wellness Data.” Intervals.icu Forum, July 25, 2022 — “I have added support for the ‘lastNightAvg’ field. Mapped to ‘hrv’ (rMSSD).” Accessed November 4, 2026. https://forum.intervals.icu/t/16623/3 ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰ ↩¹¹ ↩¹² ↩¹³ ↩¹⁴ ↩¹⁵ ↩¹⁶

12. Runalyze. “Changelog.” — entries “Syncing HRV Summary from Garmin,” “Historical Garmin HRV Sync,” “Garmin sync: Blood pressure”; October 6, 2026: “Some values don’t come through the Garmin connection anymore (Garmin removes unknown fields), such as the VO2max estimate, recovery time or performance condition. The original file from Garmin Connect does include them.” Accessed November 4, 2026. https://runalyze.com/changelog?_locale=en ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰ ↩¹¹

13. Garmin. “Garmin Connect Personal API 1.0.0.” Garmin Connect Developer Program, Personal API Swagger documentation — Health endpoints include “/hrv-service/hrv/{calendarDate},” “/hrv-service/hrv/daily/{fromDate}/{toDate}” and “/wellness-service/wellness/bodyBattery/reports/daily.” Accessed November 4, 2026. https://developer.garmin.com/gc-developer-program/personal/swagger-docs/ ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶

14. Garmin. “How Do I Export Data Out of Garmin Connect?” Garmin Support Center — “Export File – The file type will be in the original file format from the device, typically a .fit file”; Export to TCX, GPX, Google Earth, Splits to CSV; account export “Links typically are sent in 48 hours but can take up to 30 days.” Accessed November 4, 2026. https://support.garmin.com/en-US/?faq=W1TvTPW8JZ6LfJSfK512Q8 ↩ ↩² ↩³ ↩⁴ ↩⁵

15. SensAI. “How to Connect Garmin, Oura, WHOOP, Strava, or Any Wearable to SensAI Through Apple Health.” SensAI Help Center, last updated September 25, 2026 — “Does SensAI connect to Garmin Connect directly? No. SensAI reads Apple Health only”; “Garmin’s connection is one-way. Connect pushes to Apple Health but never reads from it, and Garmin’s own documentation says the Connect app needs to be in the foreground for the transfer to happen”; “Workouts, heart rate, sleep, steps, and calories cross. HRV, Body Battery, and Training Readiness stay in Garmin’s app”; “If your Garmin Connect version does not show Connected Apps, look for Apple Health directly under Settings. Garmin has moved this switch between versions”; “Will Coach see my HRV? Only from Apple Watch”; “The HRV tile will read ‘No recent value’ unless an Apple Watch is providing it”; “It syncs roughly the last 30 days of Apple Health workouts”; “Sleep and overnight heart rate from your device shape how hard Coach asks you to push on a given day”; “SensAI writes the strength workouts you track in the app to Apple Health. Garmin Connect never reads from Apple Health, so nothing flows back to Garmin.” Accessed November 4, 2026. https://www.sensai.fit/help/connect-wearable-to-sensai-apple-health ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰ ↩¹¹ ↩¹²

16. Athlytic. “Garmin, Oura, and Third-Party Wearables.” Athlytic Help — “Garmin does not sync HRV to Apple Health, even though it tracks HRV internally”; suggests RunGap, FitnessSyncer or “HRV Sync”; “Garmin limits access to some data via its API, so neither tool may always be able to transfer HRV.” Accessed November 4, 2026. https://athlyticapp.helpscoutdocs.com/article/14—third-party-wearables ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶

17. Garmin. “Information Sent From Garmin to Connected Third-Party Websites.” Garmin Support Center — Activities; Daily Health Stats (calorie data, steps, sleep data, heart rate data, stress levels, VO2 max, body composition, “other health related metrics”); Golf Data; Women’s Health; Historical Data: “This permission is turned off by default.” Accessed November 4, 2026. https://support.garmin.com/en-US/?faq=glJyCFNknq1gbFIL4MBGn6 ↩ ↩² ↩³ ↩⁴

18. Maker R. “Garmin Revamps and Opens Up Connect Developer API Program: All the Details.” DC Rainmaker, October 21, 2026 — “Once you hit that 1,000-user realm, you’re now in ‘pay-for-play’ land”; “an initial $1,000 entry fee, which is a credit towards your monthly active user bill”; “that’s to be negotiated on a per-company basis”; “when will companies start to pay this? By April 1st, 2027”; “all existing partners become ‘Enterprise’ automatically. Further, no existing partner has to pay the $1,000 Enterprise entry fee”; “Every single 3rd-party platform that integrates with Garmin is marketing for Garmin.” Accessed November 4, 2026. https://www.dcrainmaker.com/2026/10/garmin-connect-api-revamps-connect-developer.html ↩ ↩² ↩³ ↩⁴ ↩⁵

19. Garmin. “Health API.” Garmin Connect Developer Program — metrics listed: Steps, Intensity Minutes, Sleep, Calories, Heart Rate, Stress, Pulse Ox, Body Battery, Body Composition, Respiration, Blood Pressure, “Enhanced Beat-To-Beat Interval” (Enterprise only); HRV is not named on the page. Accessed November 4, 2026. https://developer.garmin.com/gc-developer-program/enterprise/health-api/ ↩

20. komoot. “Ways to connect Garmin to komoot.” komoot Support, edited March 20, 2026 — Connect IQ app: access to all saved routes, komoot maps with route warnings and auto re-routing, “Activity sync to both Garmin Connect and komoot”; Courses Sync: “Only the last 10 saved routes from the past 2 months,” “Not supported on Vivoactive or Venu devices,” “Navigation instructions are calculated by Garmin.” Accessed November 4, 2026. https://support.komoot.com/hc/en-us/articles/10306534866330-Ways-to-connect-Garmin-to-komoot ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷

21. Stryd. “Stryd Zones Data Fields and Garmin Watch Setup with Stryd and Stryd Duo.” Stryd Help, updated January 8, 2026 — install “Stryd Zones” from the Connect IQ Store; Connected Accounts → Garmin Connect → “Allow both ‘Import’ AND ‘Export’.” Accessed November 4, 2026. https://help.stryd.com/en/articles/8594075-stryd-zones-data-fields-and-garmin-watch-setup-with-stryd-and-stryd-duo ↩ ↩² ↩³ ↩⁴ ↩⁵

22. the5krunner. “Garmin Freezes Developer API Months After Strava Lawsuit.” the5krunner, September 14, 2026, updated October 24, 2026 — Garmin cited a “significant redesign and modernisation of the API program and related processes”; “Existing approved partners continue to work”; Connect IQ is a separate programme unaffected by the pause. Accessed November 4, 2026. https://the5krunner.com/2026/09/14/garmin-developer-api-access-paused/ ↩ ↩² ↩³

23. Garmin. “Using the Virtual Run Feature.” Garmin Support Center — “Select Garmin® watches can be paired with compatible third-party apps, such as Zwift, via Bluetooth® to transmit pace, heart rate, and cadence data”; saving on the watch when the app is also connected “will result in duplicate activities”; Virtual Runs cannot “provide a VO2 max estimate.” Accessed November 4, 2026. https://support.garmin.com/en-US/?faq=pyniXQfLiu3BS1yKFlLn36 ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷

24. Zwift. “Setting Up Your Garmin Watch for Zwift.” Zwift Support — “If your Garmin® watch supports Virtual Run, you can use it with Zwift on compatible treadmills.” Accessed November 4, 2026. https://support.zwift.com/en_us/setting-up-your-garmin-watch-for-zwift-rkUxKJzN8 ↩ ↩² ↩³ ↩⁴

25. Fitbod. “Live Heart Rate Tracking.” Fitbod Help, edited May 11, 2026 — “Open the Heart Rate widget on your Garmin watch; Select Broadcast Heart Rate; Keep the Garmin watch on this screen while connecting in Fitbod.” Accessed November 4, 2026. https://help.fitbod.me/hc/en-us/articles/39224086573207-Live-Heart-Rate-Tracking ↩ ↩² ↩³ ↩⁴

26. Intervals.icu. “Pricing.” — “Free… $0 forever”; Supporter “$4/month.” Accessed November 4, 2026. https://www.intervals.icu/pricing ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷

27. Garmin. “Steps to Link Your Garmin Connect Account with MyFitnessPal.” Garmin Support Center — “Caloric intake that is input into MyFitnessPal will sync over to nutrition under Calories”; “Manual activities created in MyFitnessPal are added as activities to Garmin Connect”; “Activities uploaded to Garmin Connect will show up in the MyFitnessPal… Diary as ‘Exercise Calories’”; “Weight added to Garmin Connect will sync to MyFitnessPal and vice versa.” Accessed November 4, 2026. https://support.garmin.com/en-US/?faq=Re90uqqOnh30BtqHQYkoa8 ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶

28. Runna. “Using Your Garmin Watch With Runna.” Runna Support, updated October 28, 2026 — “Scheduled workouts: Runna → Garmin Connect → Watch”; “Completed activities: Watch → Garmin Connect → Runna”; “Non-running activity types (strength, yoga, etc.) don’t transfer or sync between Runna and Garmin in either direction”; “Runna Premium users: Your next two full weeks of workouts sync to Garmin every Monday.” Accessed November 4, 2026. https://support.runna.com/en/articles/6169639-using-your-garmin-watch-with-runna ↩ ↩² ↩³ ↩⁴ ↩⁵

29. Garmin. “Garmin Coach.” garmin.com — “get started for free in the Garmin Connect™ app”; “adaptive and prebuilt plans for running, cycling, strength training, triathlons and fitness”; “CIRQA™ Smart Band requires a Garmin Connect+ plan.” Accessed November 4, 2026. https://www.garmin.com/en-US/garmin-coach/overview/ ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷

30. Zwift. “Zwift and Third-party Platforms.” Zwift Support — Garmin listed under platforms that receive activity data from Zwift and platforms that send data to Zwift: “Garmin®: Imports your activities to Zwift.” Accessed November 4, 2026. https://support.zwift.com/en_us/zwift-and-third-party-platforms-SypU0LdVr ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶

31. TrainerRoad. “Syncing TrainerRoad With Third-Party Platforms.” TrainerRoad Support, updated February 18, 2026 — “Garmin Training History: TrainerRoad will pull in up to five years worth”; “Workouts completed in TrainerRoad will be exported to Garmin Connect.” Accessed November 4, 2026. https://support.trainerroad.com/hc/en-us/articles/33795416138139-Syncing-TrainerRoad-With-Third-Party-Platforms ↩ ↩² ↩³ ↩⁴ ↩⁵

32. TrainingPeaks. “How to Sync Garmin Connect With TrainingPeaks.” TrainingPeaks Help Center, edited September 11, 2025 — “Sync up to 5 years’ worth of past workouts”; “the next 15 days of eligible structured workouts on your TrainingPeaks calendar will immediately sync to your Garmin Connect calendar”; Daily Health Stats: “Body Battery (the highest and lowest value for each day),” “Stress Level (the daily average),” “HRV (with compatible devices),” “Resting Heart Rate (RHR),” “Sleep”; Garmin Connect app: Settings > Connected Apps > TrainingPeaks > “Toggle on Daily Health Stats”; “There is no option to sync historic body composition or daily health data.” Accessed November 4, 2026. https://help.trainingpeaks.com/hc/en-us/articles/204070854-How-to-Sync-Garmin-Connect-With-TrainingPeaks ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹

33. TrainingPeaks. “Basic vs Premium Athlete Accounts.” TrainingPeaks Help Center, edited September 10, 2025 — “Plan future workouts” listed as a Premium feature. Accessed November 4, 2026. https://help.trainingpeaks.com/hc/en-us/articles/204074014-Basic-vs-Premium-Athlete-Accounts ↩ ↩² ↩³ ↩⁴

34. TrainingPeaks. “For Athletes” pricing — Premium “$19.95/month” or “$134.99/Year.” Accessed November 4, 2026. https://www.trainingpeaks.com/pricing/ ↩ ↩²

35. Intervals.icu. “Wellness Integration.” — “Auto-sync from Garmin, Polar, Suunto, Coros, Huawei, Amazfit, Oura, WHOOP”; tracks “weight, sleep, HRV, readiness… stress… SpO2.” Accessed November 4, 2026. https://www.intervals.icu/features/wellness/ ↩ ↩² ↩³ ↩⁴

36. MyFitnessPal. “Garmin Connect FAQ and Troubleshooting.” MyFitnessPal Support, edited January 6, 2026 — “MyFitnessPal will sync Calories Consumed and Individual Exercise Workouts logged directly in MyFitnessPal with Garmin. Garmin will sync Weight (to and from MyFitnessPal), Individual Workouts logged in Garmin Connect, Step Count, and it’s related calorie burn”; “only future information will post.” Accessed November 4, 2026. https://support.myfitnesspal.com/hc/en-us/articles/360040110912-Garmin-Connect-FAQ-and-Troubleshooting ↩ ↩² ↩³

37. Runna. “Pricing.” — “$119.99/year” (“$9.99/month”); Monthly “$19.99/month.” Accessed November 4, 2026. https://www.runna.com/pricing ↩

38. TrainerRoad. “Pushing an Outside Workout to Garmin.” TrainerRoad Support, updated August 20, 2026 — “todays scheduled TrainerRoad outside workouts will be pushed to Garmin Connect”; “Only cycling workouts set to be completed outside will sync”; “Planned swim and run workouts cannot be pushed to Garmin.” Accessed November 4, 2026. https://support.trainerroad.com/hc/en-us/articles/360028351772-Pushing-an-Outside-Workout-to-Garmin ↩ ↩²

39. Strava. “Strength Training.” Strava Support, updated November 3, 2026 — partners that send “exercise names, sets, reps, weight, and working time” include Garmin, Hevy, Fitbod and Runna; “Some devices, including select Garmin watches, automatically detect exercises and reps.” Accessed November 4, 2026. https://support.strava.com/en-us/articles/15401547-strength-training ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶

40. Garmin Forums. “Garmin’s official list of third-party apps that integrate with Garmin Connect.” Garmin Connect Web forum — a user request for “an official and up-to-date list”; no such list is provided in the thread. Accessed November 4, 2026. https://forums.garmin.com/apps-software/mobile-apps-web/f/garmin-connect-web/426541/garmin-s-official-list-of-third-party-apps-that-integrate-with-garmin-connect ↩

41. Garmin. “Garmin acquires TrainingPeaks and TrainHeroic, leading endurance and strength training platforms for athletes and coaches.” Garmin Newsroom, July 22, 2026 — “Garmin Ltd. (NYSE: GRMN) today announced it has acquired the TrainingPeaks and TrainHeroic training platforms”; “120 combined associates”; “Financial terms of the acquisition will not be disclosed.” Accessed November 4, 2026. https://www.garmin.com/en-US/newsroom/press-release/corporate/garmin-acquires-trainingpeaks-and-trainheroic-leading-endurance-and-strength-training-platforms-for-athletes-and-coaches/ ↩ ↩² ↩³

42. Tinker D. “Daily floors climbed added to wellness.” Intervals.icu Forum, October 5, 2026 — “We have added daily floors climbed to wellness with automatic sync from Garmin devices that support it.” Accessed November 4, 2026. https://forum.intervals.icu/t/132739 ↩

43. Tinker D. Post 883 in “API access to Intervals.icu.” Intervals.icu Forum, October 24, 2026 — “Yes. You need to get your own connection to Garmin to get activity data… Not sure what is going to happen with wellness data and uploading workouts yet.” Accessed November 4, 2026. https://forum.intervals.icu/t/609/883 ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷

44. Strava. “Garmin and Strava.” Strava Support, updated September 22, 2026 — “Garmin activities will only sync to the most recently created Strava account (the account with the highest athlete ID)”; “Garmin Sync is not triggered until the first new activity is uploaded to Garmin after your accounts are reconnected.” Accessed November 4, 2026. https://support.strava.com/en-us/articles/15401903-garmin-and-strava ↩ ↩² ↩³

45. Final Surge. “Sync Planned Structured Workouts from Final Surge to your Garmin Connect Calendar.” Final Surge Support, edited January 27, 2021 — Auto Sync pushes “your next four days (today and the next 3 days),” “once a day… around midnight”; requires the “Training” toggle in Garmin Connect. Accessed November 4, 2026. https://support.finalsurge.com/hc/en-us/articles/360050607053-Sync-Planned-Structured-Workouts-from-Final-Surge-to-your-Garmin-Connect-Calendar ↩

46. Wahoo. “Troubleshooting Sharing to 3rd Party apps.” Wahoo Support, edited October 24, 2026 — “You can configure SYSTM to automatically share your workout data to 3rd party apps such as Strava, TrainingPeaks, Garmin Connect, Final Surge and Today’s Plan.” Accessed November 4, 2026. https://support.wahoofitness.com/hc/en-us/articles/4402747288466-Troubleshooting-Sharing-to-3rd-Party-apps ↩ ↩²

47. Maker R. “New Peloton to Garmin Workout Sync Now Live! (How to Guide).” DC Rainmaker, March 7, 2026. Accessed November 4, 2026. https://www.dcrainmaker.com/2026/03/peloton-garmin-workout.html ↩ ↩² ↩³ ↩⁴

48. the5krunner. “Garmin Peloton Sync: Two-Way Workout Link Goes Live.” the5krunner, March 13, 2026, updated October 3, 2026 — synced metrics include “cadence, calories burned, distance, power (in watts), heart rate, and speed”; “double workouts will occur… if you also record the workout on a Garmin device”; “not locked behind the Garmin Connect+ subscription service.” Accessed November 4, 2026. https://the5krunner.com/2026/03/13/garmin-peloton-sync/ ↩ ↩² ↩³ ↩⁴ ↩⁵

49. Nike. “¿Cómo conecto NRC y NTC a las apps y dispositivos de socios?” Nike Help — “Puedes conectar fácilmente la Nike Run Club con apps de socios como Strava, y con dispositivos de socios como Garmin.” Accessed November 4, 2026. https://www.nike.com/us/es/help/a/conectar-nrc-apps-dispositivos-socios ↩ ↩²

50. Garmin. “Garmin Connect™.” Apple App Store listing, version 5.31 (November 3, 2026) — “Sync with other apps like Apple Health, MyFitnessPal and Strava.” Accessed November 4, 2026. https://apps.apple.com/us/app/garmin-connect/id583446403 ↩

51. Android Police. “Garmin confirms what it will and won’t share with Google Health Connect.” Android Police, July 1, 2025 — “the Garmin–Google Health Connect syncing still isn’t live yet.” Accessed November 4, 2026. https://www.androidpolice.com/garmin-data-sharing-google-health-connect-details/ ↩

52. Strava. “Apple Health and Strava.” Strava Support, updated September 21, 2026 — “route information from activities recorded with an app from another company (such as Garmin or Zwift) will not sync to Apple Health.” Accessed November 4, 2026. https://support.strava.com/en-us/articles/15402024-apple-health-and-strava ↩

53. Maker R. “Strava Voluntarily Drops Lawsuit Against Garmin.” DC Rainmaker, October 22, 2025 — quotes the filing: “Pursuant to Fed. R. Civ. P. 41(a)(1)(A)(i), Plaintiff Strava, Inc.… voluntarily dismisses the above-captioned action, without prejudice”; “Just 21 days after filing.” Accessed November 4, 2026. https://www.dcrainmaker.com/2025/10/strava-drops-voluntarily-lawsuit-against.html ↩

54. HRV4Training. “FAQ.” — “We integrate directly with Oura’s APIs… We have also released a Manual Input mode where you can enter your night data from any device.” Accessed November 4, 2026. https://www.hrv4training.com/faq.html ↩ ↩² ↩³

55. Elite HRV. “Why Watches and Wrist HR Monitors Usually Don’t Work For HRV.” Elite HRV Help — “Elite HRV works with any sensor or device that transmits accurate R-R intervals via Bluetooth 4.0+”; “Most watches… are designed for heart rate only.” Accessed November 4, 2026. https://help.elitehrv.com/article/119-why-can-t-i-use-my-wrist-hr-monitor-or-led-pulse-oximetry-monitors-like-fitbit ↩ ↩²

56. Welltory. “Is my device compatible with Welltory for HRV measurements and activity tracking?” Welltory Help, updated October 26, 2026 — “Garmin smartwatches and fitness trackers”: HRV measurements No, activity tracking Yes; Garmin HRM-Dual and HRM-Pro: HRV Yes; “Currently, only Apple Watch and Samsung Watch can be used for both HRV measurements and activity tracking.” Accessed November 4, 2026. https://help.welltory.com/en/articles/4998580-is-my-device-compatible-with-welltory-for-hrv-measurements-and-activity-tracking ↩ ↩² ↩³ ↩⁴

57. Elite HRV. “Heart Variability Monitors and Elite HRV Compatible Monitors.” — “Garmin HRM Dual and the HRM Pro… These monitors have not been tested in-house but this information comes directly from Garmin support.” Accessed November 4, 2026. https://elitehrv.com/compatible-devices ↩ ↩² ↩³

58. the5krunner. “Garmin cuts off INTERVALS and other third-party apps.” the5krunner, October 14, 2026 — Max Revitt, owner of Intervals Pro: “Intervals.pro is closing because Garmin are going to restrict downstream data, just as Strava have done.” Accessed November 4, 2026. https://the5krunner.com/2026/10/14/garmin-api-intervals-third-party-apps/ ↩ ↩²

59. Garmin. “Garmin Connect Personal API.” Garmin Connect Developer Program — “Select Create Key… Read and Accept the Terms and Conditions… Choose an expiration period… the key will only be displayed once.” Accessed November 4, 2026. https://developer.garmin.com/gc-developer-program/personal/personal-api ↩ ↩²

60. Tinker D. Post 752 in “API access to Intervals.icu.” Intervals.icu Forum, October 9, 2026 — “Unfortunately Garmin terms and conditions have been updated and It is likely that we will have to block access to Garmin data via the API soon.” Accessed November 4, 2026. https://forum.intervals.icu/t/609/752 ↩

61. Tinker D. Post 762 in “API access to Intervals.icu.” Intervals.icu Forum, October 9, 2026 — “Intervals.icu has had an open API for at least 5 years now and this will cause a great deal of harm for many coaching businesses, apps and individuals. I haven’t managed to find the new T&C’s on the public internet, only in the portal popup.” Accessed November 4, 2026. https://forum.intervals.icu/t/609/762 ↩ ↩²

62. Tinker D. Post 759 in “API access to Intervals.icu.” Intervals.icu Forum, October 9, 2026 — on manually uploaded FIT files recorded on a Garmin: “These are likely ok.” Accessed November 4, 2026. https://forum.intervals.icu/t/609/759 ↩

63. the5krunner. “Garmin personal API gives athletes their own data back.” the5krunner, October 22, 2026, updated October 30, 2026 — “Garmin has not said whether a personal key returns the complete file or the stripped one”; “Personal access is pull-only… a personal key cannot send a session to your own watch.” Accessed November 4, 2026. https://the5krunner.com/2026/10/22/garmin-personal-api/ ↩

64. Garmin. “Garmin Connect Developer Program Agreement,” Rev. B (FRM-0952), PDF dated March 3, 2026 — §4.1 data used “solely for internal business purposes”; §10.1 “Garmin reserves the right to charge fees… upon thirty (30) days’ prior notice”; §15.10 “AI Transparency Statement,” including “obtaining explicit consent from each End User.” Accessed November 4, 2026. https://www8.garmin.com/en-US/GARMINCONNECTDEVELOPERPROGRAMAGREEMENT/GARMINCONNECTDEVELOPERPROGRAMAGREEMENT_EN.pdf ↩

65. the5krunner. “Garmin Connect IQ store – weeks of delays ahead.” the5krunner, October 16, 2026 — Garmin’s Connect IQ staff cited “an enormous influx of app submissions in the last month.” Accessed November 4, 2026. https://the5krunner.com/2026/10/16/connect-iq-store-delays/ ↩

66. Garmin. “Exporting My Activity via .TCX or .GPX File Results in an Empty File.” Garmin Support Center — “download the original FIT file instead.” Accessed November 4, 2026. https://support.garmin.com/en-US/?faq=BBISz2o26Z37QlY14mTLF9 ↩ ↩²

67. Garmin. “How to Manually Upload Activities to Garmin Connect.” Garmin Support Center — “.fit (up to 50MB), .gpx, or .tcx (up to 25MB)”; “Files must contain fewer than 99,999 data points.” Accessed November 4, 2026. https://support.garmin.com/en-US/?faq=Ht3ZP52Kju075uKvqTqu99 ↩

68. Garmin. “Garmin Connect+.” garmin.com product page — Monthly Plan “$6.99 USD”; Annual Plan “$69.99 USD”; premium items: Garmin Coach coaching guidance, exclusive badge challenges, LiveTrack enhancements, Garmin Active Intelligence (AI), Performance Dashboard (“available only on desktop”), Live Activity, Garmin Connect Rundown, Nutrition, offline Garmin Trails, 3D maps, exclusive offers; no third-party integration listed. Accessed November 4, 2026. https://www.garmin.com/en-US/p/1565777 ↩ ↩² ↩³

69. Garmin. “Elevate your health and fitness goals with Garmin Connect+.” Garmin Newsroom, March 27, 2025 — “a premium plan that provides new features and even more personalized insights in the Garmin Connect™ smartphone app”; “All existing features and data in Garmin Connect will remain free.” Accessed November 4, 2026. https://www.garmin.com/en-US/newsroom/press-release/wearables-health/elevate-your-health-and-fitness-goals-with-garmin-connect/ ↩ ↩² ↩³

70. Garmin. “Garmin announces nutrition tracking in Garmin Connect.” Garmin Newsroom, January 5, 2026 — track “calories and macros (proteins, fats and carbs)”; barcode scanning; “AI-powered image recognition to log foods.” Accessed November 4, 2026. https://www.garmin.com/en-US/newsroom/press-release/sports-fitness/stay-on-top-of-nutrition-goals-in-garmin-connect/ ↩

71. Hevy. “Hevy and Garmin Integration Update: Why It’s Not Possible Yet.” Hevy Help Center, created October 2, 2025, edited October 16, 2025 — “We would like to integrate with Garmin, but it is not possible at this time… Garmin has rejected Hevy’s application for access to their API”; alternatives “Create a Hevy app inside Garmin IQ,” “Sync Hevy routines… to Garmin Training,” “Hevy receiving the data FROM Garmin Connect”; “We don’t believe these options meet Hevy’s standards of user experience”; “only a select few apps (Strava, MyFitnessPal) can access their API at the moment.” Accessed November 4, 2026. https://help.hevyapp.com/hc/en-us/articles/35361029194647-Hevy-and-Garmin-Integration-Update-Why-It-s-Not-Possible-Yet ↩ ↩² ↩³ ↩⁴ ↩⁵

72. Strong. “Apple Health and Other Integrations.” Strong Help — articles: “How do I sync with Apple Health?”, “Google Fit + Health Connect Integration on Strong 6.0”, “Track Nutrition with Strong”, an Apple Watch calorie article, “Integrate Strong with MyFitnessPal (Legacy)”; no Garmin article. Accessed November 4, 2026. https://help.strongapp.io/category/138-integrations ↩ ↩²

73. Fitbod. “FAQs.” fitbod.me, June 25, 2025 — “Wearable Sync: Apple Health, Fitbit, Garmin, Strava”; “Integrates with: Apple Health, Fitbit, Health Connect, Strava.” Accessed November 4, 2026. https://fitbod.me/faqs/ ↩

74. the5krunner. “Garmin Connect+ Expansion: Bad News for Strength App.” the5krunner, March 24, 2026, updated October 24, 2026 — analysis that Connect IQ offers no addSet() for third-party set data; Rack Strength: “We bypassed the API entirely… we never needed their permission.” Accessed November 4, 2026. https://the5krunner.com/2026/03/24/garmin-connect-plus-strength-apps/ ↩

75. Dial MB, Hollander ME, Vatne EA, et al. Validation of nocturnal resting heart rate and heart rate variability in consumer wearables. Physiol Rep. 2025;13(16):e70527. doi:10.14814/phy2.70527. PMID: 40834291. https://pubmed.ncbi.nlm.nih.gov/40834291/ ↩ ↩² ↩³ ↩⁴

76. Yun JH, Ko JM, Lee TH. Criterion Validity of Smartwatches for Measuring Heart Rate and Energy Expenditure During Resistance Exercise. Bioengineering (Basel). 2026;13(10):1099. doi:10.3390/bioengineering13101099. PMID: 42938956. https://pubmed.ncbi.nlm.nih.gov/42938956/ ↩ ↩² ↩³

77. Lee TH, Jun DU, Bae JY, et al. Comparative Validity of Smartwatch-Derived Heart Rate and Energy Expenditure During Endurance and Resistance Exercise. Sensors (Basel). 2026;26(8):2526. doi:10.3390/s26082526. PMID: 42076635. https://pubmed.ncbi.nlm.nih.gov/42076635/ ↩ ↩² ↩³

78. Evenson KR, Spade CL. Review of Validity and Reliability of Garmin Activity Trackers. J Meas Phys Behav. 2020;3(2):170-185. doi:10.1123/jmpb.2019-0035. PMID: 32601613. https://pubmed.ncbi.nlm.nih.gov/32601613/ ↩ ↩²

79. Casanova-Lizón A, Sarabia JM, Aracil-Marco A, et al. Pulse vs. R-R Interval: Validity and Reliability of the Garmin Elevate v4 Sensor for Ultra-Short HR and HRV Monitoring in Healthy Adults. Sensors (Basel). 2026;26(20):6549. doi:10.3390/s26206549. PMID: 42944412. https://pubmed.ncbi.nlm.nih.gov/42944412/ ↩ ↩²

80. Miller DJ, Sargent C, Roach GD. A Validation of Six Wearable Devices for Estimating Sleep, Heart Rate and Heart Rate Variability in Healthy Adults. Sensors (Basel). 2022;22(16):6317. doi:10.3390/s22166317. PMID: 36016077. https://pubmed.ncbi.nlm.nih.gov/36016077/ ↩

81. Schyvens AM, Peters B, Van Oost NC, et al. A performance validation of six commercial wrist-worn wearable sleep-tracking devices for sleep stage scoring compared to polysomnography. Sleep Adv. 2025;6(2):zpaf021. doi:10.1093/sleepadvances/zpaf021. PMID: 40303381. https://pubmed.ncbi.nlm.nih.gov/40303381/ ↩

82. Chinoy ED, Cuellar JA, Huwa KE, et al. Performance of seven consumer sleep-tracking devices compared with polysomnography. Sleep. 2021;44(5):zsaa291. doi:10.1093/sleep/zsaa291. PMID: 33378539. https://pubmed.ncbi.nlm.nih.gov/33378539/ ↩

83. Lee YJ, Lee JY, Cho JH, et al. Performance of consumer wrist-worn sleep tracking devices compared to polysomnography: a meta-analysis. J Clin Sleep Med. 2025;21(3):573-582. doi:10.5664/jcsm.11460. PMID: 39484805. https://pubmed.ncbi.nlm.nih.gov/39484805/ ↩

84. Gielen J, Van Oost CN, Debard G, et al. Accuracy of Optical Heart Rate Measurements for 10 Commercial Wearables in Different Climate Conditions and Activities: Instrument Validation Study. JMIR Form Res. 2026;10:e85186. doi:10.2196/85186. PMID: 41701929. https://pubmed.ncbi.nlm.nih.gov/41701929/ ↩

85. Navalta JW, Montes J, Bodell NG, et al. Concurrent heart rate validity of wearable technology devices during trail running. PLoS One. 2020;15(8):e0238569. doi:10.1371/journal.pone.0238569. PMID: 32866216. https://pubmed.ncbi.nlm.nih.gov/32866216/ ↩

86. Le S, Wang X, Zhang T, et al. Validity of three smartwatches in estimating energy expenditure during outdoor walking and running. Front Physiol. 2022;13:995575. doi:10.3389/fphys.2022.995575. PMID: 36225296. https://pubmed.ncbi.nlm.nih.gov/36225296/ ↩

87. Carrier B, Marten Chaves S, Navalta JW. Validation of Aerobic Capacity (VO2max) and Pulse Oximetry in Wearable Technology. Sensors (Basel). 2025;25(1):275. doi:10.3390/s25010275. PMID: 39797066. https://pubmed.ncbi.nlm.nih.gov/39797066/ ↩ ↩²

88. Howard J, Ellis R, Fortner CK, et al. Validity of the garmin Forerunner 265 to predict VO2max and race performance times. J Med Eng Technol. 2026:1-12. doi:10.1080/03091902.2026.2741912. PMID: 42822520. https://pubmed.ncbi.nlm.nih.gov/42822520/ ↩

89. Fuller D, Colwell E, Low J, et al. Reliability and Validity of Commercially Available Wearable Devices for Measuring Steps, Energy Expenditure, and Heart Rate: Systematic Review. JMIR Mhealth Uhealth. 2020;8(9):e18694. doi:10.2196/18694. PMID: 32897239. https://pubmed.ncbi.nlm.nih.gov/32897239/ ↩

90. Dial MB, Hollander ME, Vatne EA, et al. Contextual equivalence for accurate comparison of wearables requires transparency. Physiol Rep. 2025;13(23):e70706. doi:10.14814/phy2.70706. PMID: 41399178. https://pubmed.ncbi.nlm.nih.gov/41399178/ ↩