Obstacle Race Calendar near San Bernardino 2025-2026

Jan

24-25

Sa - Su

Socal Spartan Event Weekend

Perris | 23 mi from San Bernardino

5 km 10 km Half Marathon

Take on the SoCal Spartan Trifecta Weekend at scenic Lake Perris. Flat, fast courses offer Sprint, Super and Beast distances with dozens of classic obstacles, festival vibes, camping and finisher swag as you chase the Trifecta medal.

Mar

21-22

Sa - Su

Tough Mudder - Los Angeles

San Bernardino

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 | 23 mi from San Bernardino

5 km 10 km Half Marathon

Push your limits at the Big Bear Lake Spartan Race at Snow Summit on May 16 and 17, 2026, a Trifecta Weekend high in the mountains. Choose Sprint, Super, Beast or Trail courses over steep climbs and classic Spartan obstacles, then earn your finisher..

Sep

12

Saturday

Tough Mudder - Big Bear

Big Bear Lake | 23 mi from San Bernardino

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.

Oct

17

Saturday

Ruff Run California

Phelan | 27 mi from San Bernardino

Bring your pup to Ruff Run California on Oct 17, 2026 for a playful obstacle course across 20 acres of high desert with mud, water and brain teasers to test your bond. Stay after for music, games and vendors.