The WHOOP X Michael Phelps Challenge is an international challenge where you’ll strive to reach your daily Strain Target every day for fifteen days.

WHOOP X Michael Phelps Challenge

Challenge Complete

The WHOOP X Michael Phelps Challenge pushed members across the globe to reach their Strain Range every day for fifteen days.

Participants earned 1% off their WHOOP membership for every day they reached their optimal Strain Range. Rewards will be issued via email between August 13 and August 16, 2024.