Polar had 9 outages in the last 2 years totaling 8653h 51m of downtime — averaging 0.4 incidents per month.
There were 9 Polar outages since April 25, 2025 totaling 8653h 51m of downtime. Each is summarised below — incident details, duration, and resolution information.
We are experiencing data transfer issues between Polar Flow and Strava. Data synchronization may be slower than normal or fail altogether. We are investigating the root cause and will provide an update as soon as possible. All data is safe.
Issue over and data transfer works normally
We are currently investigating this issue.
Polar Flow app Android hotfix version 7.35.1 released.
Polar Flow app Android hotfix version 7.35.2 released. This release includes additional fixes to the issue that prevented activity data from appearing correctly in the app. We've also made small enhancements to ensure everything keeps running smoothly.
This incident has been resolved.
We are currently investigating this issue.
We are continuing to investigate this issue.
This incident has been resolved.
We are investigating a data transfer issue affecting Flow-to-AccessLink API partners. The issue began on January 7th at 07:00 UTC and continued until midnight. After midnight data transfer has worked normally. We will keep you updated on the investigation at status.polar.com. We apologize for the inconvenience and thank you for your patience.
We are continuing to investigate the issue.
The fix has been deployed, and data consistency checks are in progress.
This incident has been resolved.
We are currently investigating why some customers are experiencing issues in data synchronization. Sync seems to work, but data is not available in web service. We apologize the trouble caused and thank you for your patience!
This incident has been resolved.
Our servers are always experiencing extra high loads on the day that Daylight Saving Time starts or ends. This may show as slowness or synchronization failing altogether. Please try again later. Thank you for understanding!
This incident has been resolved.
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.
Issue has been identified in 3rd party services, we are monitoring the issue.
Data transfer to Strava is now operating normally
This incident has been resolved.
Our online services are currently experiencing a higher than normal amount of load, which may be causing synchronization to be slow, or to fail altogether. We are investigating the root cause and will provide an update as soon as possible. All data is safe.
This incident has been resolved.
The login and registration function in all of Polar's online stores has been disabled for now. We are working on restoring this functionality, but meanwhile, it is safe to make purchases as a guest user without logging in.
This incident has been resolved.