Obstacle Race Calendar near Big Bear Lake 2025-2026

Sep

5-7

Fr - Su

Tough Mudder - Big Bear

Big Bear Lake

5 km 10 km

Tough Mudder Big Bear, held at Bear Mountain in Big Bear Lake, California, is a challenging obstacle course event featuring customized 5K and 10K courses with 12+ and 20 obstacles respectively. The ev..

Sep

5-7

Fr - Su

In-N-Out Tough Mudder Challenge

Big Bear Lake

5 km 10 km

The In-N-Out Burger Tough Mudder Challenge is a dynamic obstacle course event held at Bear Mountain Resort in Big Bear Lake, California. Scheduled for September 5–7, 2025, it features two main race di..

Mar

21-22

Sa - Su

Tough Mudder - Los Angeles

San Bernardino | 23 mi from Big Bear Lake

5 km 15 km

Tough Mudder Los Angeles, held at Glen Helen Raceway in San Bernardino, California, is a challenging obstacle course event set against the scenic backdrop of the San Bernardino Mountains. Scheduled fo..

May

16-17

Sa - Su

Big Bear Spartan Trifecta Weekend

Big Bear Lake

5 km 10 km 21 km

The Big Bear Spartan Trifecta Weekend, held at Big Bear Mountain Resort in California, is a challenging obstacle course event set at a high altitude of 8,200 feet. Participants face steep climbs and t..