Mammoth Spartan Trifecta Weekend
Mammoth Lakes, United States • 4-5 Oct 2025
The Mammoth Spartan Trifecta Weekend, held in Mammoth Lakes, California, offers a challenging obstacle course race set at a high altitude of 7,900 feet in the Sierra Nevada Mountains. Participants can compete in three race distances: Sprint (5K with 20 obstacles), Super (10K with 25 obstacles), and Beast (21K with 30 obstacles), plus a kids' race. The event features a mix of rugged terrain and demanding obstacles designed to test endurance and grit. Alongside the races, the weekend includes the inaugural Spartan Super World Championship and a vibrant après-race atmosphere in Mammoth Lakes’ lively village, known for its hotels, dining, and outdoor activities. Visit the organization's website for the most recent information.
Always visit the organization's website for the most recent information!
Race information
Mud & Obstacle runs nearby
The Mammoth Spartan Super World Championship Weekend, held at Mammoth Mountain Ski Area in California, is a premier obstacle course race set at a challenging high altitude of 7,900 feet in the Sierra Nevada Mountains. The highlight is the inaugural 10K Super World Championship featuring 25 obstacles over a rugged 10-kilometer course designed to test endurance and grit. Participants can also compete in Sprint, Super, or Beast races during this action-packed Trifecta weekend. The event offers a vibrant atmosphere with access to Mammoth Lakes’ lively village, including top hotels, restaurants, and outdoor activities, making it an exciting and demanding experience for individual racers and teams alike. Visit the organization's website for the most recent information.