Hayward
Trail Running Calendar near Hayward 2026-2027
Explore the top trail runs near Hayward for 2026-2027! We've gathered 75 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
A map navigation event in Fillmore and Japantown where solo runners or teams of up to five use a 1:7500 custom map to find checkpoints on 5K or 10K courses, then enjoy snacks and socializing at the finish.
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.
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 September 12, 2026 trail event in Berkeley featuring 10K, half, 35K and 50K courses through Tilden and Wildcat Canyon with chip timing, regular aid stations and a cupless aid policy.
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.
Family friendly 5K in San Francisco on September 20, 2026, with a scenic 3.4 mile course, a race t shirt for registrants and post race festivities at Lands End.
Trail 5K with a steep first mile and flat fast finish, plus a kids run and member picnic at San Pedro Valley Park on September 20, 2026.
Trail races at Lake Chabot on the restored OG courses, offering 100k, 50 mile and marathon distances with UTMB indexing and set time limits.
Trail running in shaded redwood forest at Sanborn County Park on September 27 2026, with 10K, half marathon and 50K options; steep singletrack, shuttle parking, chip timing and specific mandatory gear for the 50K.
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.