What can you edit in a GPX?
Two families of edits, two different tools: the geometry (the track itself, its points) on one side, the metadata (name, sport, date) on the other.
Fixing the track
To reroute a section, extend a course or delete misplaced points, the route editor lets you manipulate the track point by point on the map, then re-export the GPX.
Changing the name, sport or date
An activity imported under the wrong sport, or with a shifted timestamp, is fixed in the metadata editor: rename the activity, pick the right sport type and, if needed, shift the date and time uniformly.
Worth knowing: the activity name is only kept in GPX — FIT and TCX have no standard field for it. Sport and date, however, are stored in all three formats.
Other common fixes
- Remove a stray start or end → the trim tool.
- Rejoin an outing recorded as two files → the merge tool.
- Adjust per-kilometre split times → the splits tool.
- Repair an unreadable or corrupted file → the repair tool.
Check the edited file
After any edit, reopen the exported file in the viewer: one glance confirms the track, stats and data are as expected before importing it elsewhere.