Berkeley Trail Adventure

Berkeley, United States • 13 Sep 2025

Berkeley Trail Adventure is a multi-distance trail race in the East Bay, held in Tilden Regional Park and Wildcat Canyon (Berkeley, CA). Distances: 50K (31 miles, ~6,800 ft gain), 35K (21.6 miles, ~4,600 ft), half marathon (13 miles, ~2,800 ft), and 10K (6 miles, ~1,050 ft). The course blends technical dirt trails with non-technical fire roads, with about 1.5 miles of asphalt near Inspiration Point for the longer distances.

Scenic sections offer views of the bay, Golden Gate Bridge, and Mt. Tamalpais on clear days. Aid stations every 5–7 miles; cupless policy with optional HydraPak cups.

Dogs on leash allowed; race is chip-timed; capacity 350. Visit the organization's website for the most recent information.

Race information

50 km
50k
35 km
35k
21 km
1/2 Marathon
10 km
10k
Visit the organization's website for the most recent information.
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