San Ramon
Trail Running Calendar near San Ramon 2026-2027
Explore the top trail runs near San Ramon for 2026-2027! We've gathered 63 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
A limited-field island race on August 29, 2026 featuring a scenic half marathon and 10K circling Angel Island with ferry access and medals for half finishers.
A waterfront 5K through Crissy Field and Fort Point Promenade in San Francisco on August 30, 2026, with live and virtual entry options and advance registration required.
September 2026
Monthly Richmond meetups offering a community hike plus an optional trail-run option, organized by FIERCE Advocates with Moving Forward and Richmond Run Club.
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.
A 40th edition cross country meet in Golden Gate Park with an approximately 4 mile two loop course over grass, dirt, and rolling hills.
Rocky Ridge in the Las Trampas Wilderness near San Ramon on September 19, 2026 features a half marathon, 10K and 5K on hilly trail terrain with remote runner options.
Historic Bay Area trail event offering 100K, 50 mile and marathon courses, all UTMB indexed with the 50 mile in the Pacific USATF Grand Prix.
October 2026
Experience a trail half marathon on San Bruno Mountain featuring 2,400 feet of elevation gain and stunning views. Enjoy a scenic route with 93 percent trail coverage followed by a post race meal and finishers medal.
21st Annual Garin Park XC Challenge at Garin Regional Park is a USATF Pacific Association cross country meet with about 5K courses featuring hills, scenic views, and a half mile flat finish.
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.
October 10 2026 trail races at San Pablo and Briones Reservoirs in Orinda CA featuring 35K, half marathon, 10K and 5K on single-track and fire roads.
Trail races in Walnut Creek on October 17, 2026 with distances from 5K to 30K; walkers welcome and courses may include mud and creek crossings.