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What this format is
Puts several activities in one GPX file, each as its own track. Useful when a device split a long day into pieces.
How to get the file
- From Garmin Connect
- 1. Export each activity as GPX or FIT, then drop them together.
- From Strava
- 1. Export each activity, or convert a bulk zip first and pick the files you want.
What is kept and what is lost
| Kept | Lost or missing |
|---|---|
| All points, names, and sensor data from each file | Original separate files — download those before you merge if you still need them |