Upload GPX or KML files to the web at https://www.gaiagps.com/upload/ or by navigating to that page from the dropdown menu connected to your username.
Name the folder that will contain your imported file, select the file you want to add to your account, then click "Upload."
Run a sync from your device to access the data there:
- Gaia GPS has a file limit of 1,000 tracks.
- Larger files may take longer to import.