Major incident

WHOOP: Issues Calculating Optimal Strain

Affected: Core App Features

Current status of WHOOP: Operational — live WHOOP status

Timeline

1. May 11, 2026, 13:09 UTC
   investigating
   We are investigating an issue where optimal day strain is not present for users.
2. May 11, 2026, 13:09 UTC
   identified
   The issue has been identified and a fix is being implemented
3. May 11, 2026, 14:07 UTC
   monitoring
   A fix has been implemented and we are monitoring the results.
4. May 11, 2026, 14:49 UTC
   resolved
   This incident has been resolved.

Updates as published by WHOOP (original).