The Dirty Duathlon

Hit the trails for an off-road adventure at the Dirty Duathlon on January 24, 2026, starting at 10:00 AM from Granite Beach in Folsom Lake State Recreation Area. This exciting race follows a run-bike-run format with a 2-mile trail run, a 6-mile mountain bike leg on thrilling single-track, and a final 2-mile run through scenic lakeside terrain. Each participant receives a custom TBF beanie, post-race refreshments, and the chance to compete for awards across multiple divisions, making it a perfect challenge for both seasoned duathletes and trail newcomers.

Set against the stunning backdrop of Folsom Lake, this event blends rugged competition with a vibrant, supportive atmosphere ideal for testing your off-road endurance. Whether you’re racing for the podium or simply enjoying a day of dirt, sweat, and single-track, the Dirty Duathlon promises a memorable winter adventure where every mile is fueled by fun and fellowship.