Berkeley Trail Adventure

Berkeley, United States • 12 Sep 2026

Berkeley Trail Adventure

The Berkeley Trail Adventure is a trail running event held on September 12, 2026, in Tilden Regional Park and Wildcat Canyon in Berkeley, California. The event offers multiple measured distances across natural terrain and has a total field capacity of 350 participants.

Distances:

  • 50K 31.0 miles, 6,800 ft elevation gain
  • 35K 21.6 miles, 4,600 ft elevation gain
  • Half Marathon 13.0 miles, 2,800 ft elevation gain
  • 10K 6.0 miles, 1,050 ft elevation gain

Most of the courses run on technical dirt trails and on non-technical fire roads. The 35K and 50K include about 1.5 miles of asphalt near Inspiration Point. Courses are marked with colored ribbons and laminated signs at complex intersections. Hiking poles are permitted.

Aid stations are spaced roughly every 5 to 7 miles and provide a variety of food and drink such as energy gels, Stroopwafels, trail mix, PB&J sandwiches, potato snacks, soda, water, and Skratch Labs hydration. The race is cupless; runners must carry their own reusable cup or bottle. Reusable cups will be available for purchase at the event.

Logistics include free parking at Lake Anza in Tilden Park and an early bib pickup at Sports Basement Berkeley the day before the race. There is an 8.5 hour time limit for the 50K distance. Awards include custom medals for all finishers, trophies for top three overall at each distance, age-group medals, and a pint glass for 50K finishers. Visit the organization's website for the most recent information.

Race information

31 mi
50k
22 mi
35k
13 mi
Half Marathon
6 mi
10k
Visit the organization's website for the most recent information.
Trail runs nearby

Scenic races at San Leandro Marina on February 14, 2026, with half marathon, 10K, 5K and a remote runner option. The mostly flat bayside course stays close to the water and offers views of San Francisco and the Bay.

Redtail Ridge at Lake Chabot on February 21, 2026 features 5K to 50K trail races on mixed dirt trails, fire roads and some paved sections. The event is chip timed, cupless, and limited to 500 runners.

Montara Mountain Trail Run in Pacifica on Feb 21, 2026 offers distances from a 10K to a 50K plus a free kids 50 yd dash, marked courses, aid stations every 6 to 7 miles, and a cupless hydration policy.

This trail run in Walnut Creek's Lime Ridge area features unmapped courses. Runners follow a map to find checkpoints, choosing their own path through oak trees and quarries. Snacks await at the finish.