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.
December 2026
A 5K at Baker Beach on December 6, 2026, on mixed terrain with an uphill out and back past the Golden Gate Bridge and ribbons for finishers and top five overall.
Trail races through redwood groves at Sanborn Regional Park on December 12, 2026, offering 5K, 10K and half marathon distances with chip timing and medals.
A hilly loop around Angel Island with views of the Golden Gate and Alcatraz, offering a Half Marathon (two laps) and a single-loop 10K; limited to 400 entrants.
Trail races on the Lake Chabot trails in Castro Valley on December 31, 2026 offering half marathon, 10K and 5K; hikers and walkers welcome.
January 2027
Multi-distance trail races at Lake Chabot across New Year's Eve and New Year's Day, including 5K, 10K, a half marathon and a virtual option.
Trail races from 8K to 50K plus a free kids 50yd dash on January 17, 2027 in Huddart Park, Woodside, with marked trails and staffed aid stations.
Experience the magic of the Golden Gate Bridge and the Marin Headlands. This Spartan Trail event offers distances from 15k to 50 miles with panoramic mountain and sea views.
Mixed-surface races at Coyote Hills Regional Park in Fremont offering half marathon, 10K and 5K with aid stations, GPX files and a half-marathon hiker division.
February 2027
Mt. Umunhum Trail Conquest (Winter) is a multi-distance trail event at Almaden Quicksilver County Park offering races from a kids run to a 50K with marked out-and-back courses, multiple aid stations, and summit sections to Bald Mountain or Mt. Umunhu..
Trail races at Lake Chabot in Castro Valley offering 5K to 50K options, scenic trails, aid stations with varied supplies, and a 500-runner capacity.
March 2027
A point to point half marathon to the summit area of Mt. Umunhum on March 8, 2025, covering about 13.35 miles with 4,767 feet of ascent, marked mainly by pink ribbons and supported by aid stations with toilets.
A multi-distance trail event on March 22, 2025 at Calero County Park in San Jose offering runs from a kids race to a 50K, single track and dirt-road courses, multiple aid stations, and per-distance time limits.