Polar flow group is here >> https://flow.polar.com/community/group/5d5f9e38050996178e52998a/feed


Data with a Polar are also collected by the Strava 2021 km/year Club https://www.strava.com/clubs/534286.


You can participate in the 2020/km/year challenge by synchronizing your Polar workouts with Strava.
follow it here: