https://www.strava.com/activities/3722655560
wrong altitudes. how can it be fixed?
walked 5.12.2019 https://www.strava.com/activities/2912168911
walked 5.12.2019 https://www.strava.com/activities/2912168911
walked 5.12.2019 https://www.strava.com/activities/2912168911