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What this format is
FIT is Garmin’s compact activity format. Most mapping apps want GPX. The conversion happens on this page; the FIT file never leaves your computer.
How to get the file
- From Garmin Connect
- 1. Open the activity in Garmin Connect (web).
- 2. Click the ⋯ menu on the right → Export original or Export as FIT.
- 3. Drop the .fit or .fit.gz file here.
- From Strava
- 1. Open the activity → the wrench icon → Export GPX if you only need the track.
- 2. For original FIT, request a full account export and use the Strava export tool.
What is kept and what is lost
| Kept | Lost or missing |
|---|---|
| GPS, elevation, timestamps | Device settings, lap alerts, and some manufacturer-specific FIT fields |
| Heart rate, cadence, temperature, power | Nothing in those four if the FIT recorded them — they are written into the GPX extension |