Garmin track log file
Unknowntext
Gmn files are used within Garmin Forerunner watches, which track GPS and heart rate data when work by the user during exercise. Gmn files store data relating to the exercise session, which can include heart rate, altitude, timestamp and position (latitude and longitude).
Identify it
| Extensions | .gmn |
|---|---|
| Signatures | 3c406741724d694e403e at byte 0 (Garmin track log file) |
| PRONOM | fmt/1679 |
| Wikidata | Q113435494 |
Not sure your file is this? Identify it from its first bytes, in your browser.
Open it
No software is recorded for this format.
Convert it
No conversion recorded. One of the tools above may export it; search for a chain.
0Sources
From PRONOM, Wikidata. Updated 2026-10-20.