GPX, FIT or the ZIP from Garmin — up to 20 at once. Every verified ride earns XP.
Sign in first — it takes a minute.
Strava
Garmin Connect
That link shows gravel rides; switch the filter if you saved it as a regular ride.
Wahoo, Komoot and most bike computers export from the phone app — or copy the .fit file straight off the device.
The server works out which route you rode. No need to pick it.