Obstacle Race Calendar near Big Bear Lake 2025-2026

Mar

21-22

Sa - Su

Tough Mudder - Los Angeles

San Bernardino | 23 mi from Big Bear Lake

8 km 15 km

Tough Mudder Los Angeles hits Lake Elsinore Raceway March 21 and 22, 2026 with muddy trail and raceway obstacle courses. Choose 5K, 15K or the Infinity multi lap to stack laps, earn finisher swag and soak up Mudder Village festival vibes.

May

16-17

Sa - Su

Big Bear Spartan Weekend

Big Bear Lake

5 km 10 km Half Marathon

Conquer the Big Bear Spartan Trifecta Weekend at Snow Summit May 16 and 17, 2026 with Sprint, Super and Beast races high in Big Bear. Expect high altitude trails, big climbs and steep descents for a true Spartan challenge.

Sep

12

Saturday

Tough Mudder - Big Bear

Big Bear Lake

5 km 10 km

Conquer Tough Mudder Big Bear at Bear Mountain with high altitude 5K and 10K courses featuring obstacles like Block Ness Monster and Funky Monkey. Finishers get a medal, shirt, headband and a celebratory drink.