Hi.
After a recent update to 3.10, my heart rate does not work during my running race.
HR works fine at first, but it doesn't work properly from the middle of the run.
1. October 3 10km run
https://photos.app.goo.gl/RT1kBnGc1KFGQhAMA
2. October 6 10km run
https://photos.app.goo.gl/RT1kBnGc1KFGQhAMA
3. October 9 10km run