In Android SA I could only edit it and upload new one. And in web in sports tracker can’t do anything with it too.
Moved to Garmin
I think that is not possible
Community Manager / Admin @Suunto
Creator of Quantified-Self.io
youtube.com/c/dimitrioskanellopoulos
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https://www.strava.com/athletes/7586105
Hi,
You can upload a file with white or transparent background