Fourmidable

Auburn, United States • 15 Feb 2025

FOURmidable is an exciting trail running event set in the stunning Sierra Nevada foothills of Auburn, CA. Participants can choose from various race distances, including a 50K, 35.5K, half marathon, and 13K, all designed to challenge endurance while showcasing the area's natural beauty. The 2024 edition features a unique prize money initiative, where donations from runners will be matched by Singletrack Running, contributing to the prize purse for the 50K race. Additionally, a special award of $500 is offered to any runner who breaks the current course record. This event promises an unforgettable experience for all participants. Visit the organization's website for the most recent information.

Race information

50 km
50K
35 km
35.5K
13 mi
1/2 Marathon
13 km
13K
Visit the organization's website for the most recent information.
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