Livermore
Trail Running Calendar near Livermore 2026-2027
Explore the top trail runs near Livermore for 2026-2027! We've gathered 37 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
September 2026
A trail running event at Calero County Park offering distances from a kids run to a 50K across single-track and dirt roads, with named aid stations, drop bag support, bib color assignments, and time limits for longer races.
Trail races at Lake Chabot on the restored OG courses, offering 100k, 50 mile and marathon distances with UTMB indexing and set time limits.
October 2026
A 12.4 mile loop from Mitchell Canyon to the Mount Diablo summit and back in Clayton, CA, featuring about 4,000 feet of ascent and a five hour cutoff.
Trail races of 5K, 10K, half marathon and 35K around San Pablo Reservoir on EBMUD trails, with chip timing, stocked aid stations, a cupless policy, and a 300-runner capacity.
Trail races on Mount Diablo near Walnut Creek on October 17, 2026 offering 30K, Half Marathon, 10K and 5K with possible mud and creek crossings.
November 2026
Support student programs and the Oakland Tech Cross Country team at Joaquin Miller Park. Choose between a five kilometer trail race or a one mile fun run through the redwood trees.
Experience a scenic trail run around the Lake Chabot reservoir and hills. With distances from a 50 yard kids dash to a 50K ultramarathon there is an option for everyone at this Castro Valley event.
A Thanksgiving Day 5K and 1 mile event at San Leandro Marina with canicross teams, kids races, and proceeds benefiting animal welfare; the course is flat with mixed surfaces and free parking is available.