Tough Mudder - Los Angeles

The Big Bear Spartan Trifecta Weekend, scheduled for May 17-18, 2025, at Big Bear Mountain Resort, offers a challenging series of obstacle course races set against a stunning mountainous backdrop. Participants can choose from various race distances, including a 5K Sprint with 20 obstacles, a 10K Super with 25 obstacles, and a 21K Beast featuring 30 obstacles. Additionally, there is a Kids Race for younger participants. The event promises significant elevation gains, making it a memorable experience for athletes. Beyond the races, attendees can enjoy local culture, food, and entertainment in Southern California. Visit the organization's website for the most recent information.

The In-N-Out Tough Mudder Challenge is a mud-filled obstacle course held at Bear Mountain Resort in Big Bear Lake, California, from September 5-7, 2025. Participants can choose between a 5K or 10K race, featuring over 12 to 20 obstacles designed to test endurance, strength, and teamwork. The event benefits the Slave 2 Nothing Foundation, supporting efforts against substance abuse and human trafficking. Attendees can register as individuals or teams, with options for spectators and VIP viewing. The event includes finisher rewards, food, and opportunities for fundraising, all aimed at promoting community support and awareness for important social causes. Visit the organization's website for the most recent information.

Tough Mudder Big Bear is an exhilarating obstacle course event taking place from September 5 to 7, 2025, in Big Bear, California. Participants can choose between a 5K course featuring over 12 obstacles or a challenging 10K course with 20 obstacles, all designed to test teamwork and endurance. The event is co-hosted with In-N-Out Burger, offering a unique experience that includes a finisher meal of their iconic Double-Double®. Proceeds benefit the Slave 2 Nothing Foundation, which focuses on combating substance abuse and human trafficking. The event promises a festive atmosphere with a Mudder Village Festival, making it a memorable experience for all. Visit the organization's website for the most recent information.

The Temecula Spartan Event Weekend, held at Lake Elsinore Raceway in California from September 26-28, 2025, offers a variety of obstacle course races set against scenic lakeside views. Participants can challenge themselves in the Sprint 5K with 20 obstacles, the Super 10K with 25 obstacles, or enjoy a Kids Race. Additional events include Hurricane Heat endurance challenges lasting 4, 12, or 24 hours. The course features rugged terrain, open trails, and challenging obstacles, providing an exciting adventure for both beginners and seasoned athletes. The event promotes team racing, family fun, and offers exclusive hotel discounts for participants. Visit the organization's website for the most recent information.

Ruff Run California 2025 is an exciting annual obstacle run taking place in Phelan, California, designed for participants and their dogs. The event features over 20 obstacles that challenge both physical endurance and teamwork between participants and their pups. The course includes a 4ishK run filled with mud, water, and strategic challenges, making it a fun and engaging experience. This year, participants will receive custom jerseys to commemorate the event. The day will also include an after-party with music, games, and vendors, set against the beautiful backdrop of the high desert at 4200 feet above sea level. Visit the organization's website for the most recent information.

The SoCal Spartan Event Weekend, taking place at Lake Perris State Recreation Area, offers a thrilling experience for participants of all ages and skill levels. Scheduled for January 24-25, 2026, the event features various race distances, including a 5K Sprint with 20 obstacles, a 10K Super with 25 obstacles, and a challenging 21K Beast with 30 obstacles. Additionally, there is a Kids Race ranging from 1-3 km, designed to engage younger participants. Set against a scenic backdrop, this event promises an unforgettable physical challenge amidst the beautiful Southern California wilderness. Visit the organization's website for the most recent information.