Polar experienced a major incident on October 20, 2025 affecting Data transfer to Strava and Data transfer to TrainingPeaks, lasting 1d 17h. The incident has been resolved; the full update timeline is below.
Affected components
Data transfer to StravaData transfer to TrainingPeaks
Update timeline
- investigating Oct 20, 2025, 06:38 PM UTC
We are experiencing data transfer issues between Polar Flow and Strava/TrainingPeaks . Data synchronization may be slower than normal or fail altogether. We will provide an update as soon as possible. All data is safe.
- monitoring Oct 20, 2025, 07:20 PM UTC
Issue has been identified in 3rd party services, we are monitoring the issue.
- monitoring Oct 20, 2025, 08:11 PM UTC
Data transfer to Strava is now operating normally
- resolved Oct 22, 2025, 11:59 AM UTC
This incident has been resolved.