Date
Races
50K
Difficulty
1.3
Join The Big Alta, a thrilling trail running event organized by Freetrail and Daybreak Racing in the stunning Marin County, California! Participants will experience a challenging 50K single-loop course, renowned for its breathtaking scenery and impressive elevation changes. Runners will traverse through the iconic trails of Loma Alta and Big Rock Ridge, the highest peaks in the area, rewarding their efforts with panoramic views of the San Francisco Bay. This race promises not only a physical challenge but also a vibrant atmosphere filled with a supportive trail community. The exhilarating course showcases the natural beauty of Marin County, making it an unforgettable experience for all participants. Embrace the electric vibes and immerse yourself in this scenic adventure!
50K
Mar 21, 2026 (Sat) - 8:00
Distance
50km
Terrain
Trail
Course type
Single loop
Elevation gain
7,300ft
Elevation loss
7,300ft
Elevation rating
Pretty darn hilly
Difficulty
1.3
Cutoff time
9h
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