Tough Mudder - Big Bear
SEP
12
2026
Read all about the Tough Mudder - Big Bear on 12 Sep 2026 in Big Bear Lake.
Sat 12 Sep 2026
Tough Mudder 5k
Tough Mudder 10k
Always double-check with the organizer's website! This page may contain affiliate links.
About the race
The Tough Mudder - Big Bear will take place in Big Bear Lake on Saturday 12 September 2026. You can run between 5 and 10 kilometers. Visit the organization's website for the most recent information.
10 km
Tough Mudder 10k
5 km
Tough Mudder 5k
Events nearby
A multi-day trail running event in Big Bear Lake offering five distances, varied mountain terrain, and UTMB World Series Americas Major status.
Trail event at Wildwood Canyon State Park featuring an 8 hour loop challenge and a separate 6K on the same 3.7 mile course.
A Last Person Standing race in Yucaipa where runners repeat a 4.167 mile loop each hour until only one remains, organized by Yucaipa Adventure Company.