Hayward
Trail Running Calendar near Hayward 2026-2027
Explore the top trail runs near Hayward for 2026-2027! We've gathered 67 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
December 2026
A community fundraiser at Joaquin Miller Park featuring a 5K trail run and a 1 mile kids fun run on 12/06/2026.
Trail races at Sanborn Regional Park on December 12, 2026: 5K, 10K and half marathon through redwoods with chip timing and finisher medals.
Looped trail races on Angel Island with panoramic Bay views; includes a half marathon (two loops) and a 10K, ferries required and the field is limited to 400.
Trail races at Lake Chabot 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 in San Francisco and the Marin Headlands, featuring distances from 15K to 50 miles and a course that crosses the Golden Gate Bridge.
A mixed-surface running event at Coyote Hills Regional Park offering a half marathon, 10K, and 5K with updated courses, GPX files, and stocked aid stations.
February 2027
Trail races from 5K to 50K through eucalyptus forests and lakeside trails at Lake Chabot Regional Park near Castro Valley, CA.
March 2027
Point to point half marathon from the Hacienda Entrance up to Mt Umunhum with 4,767 feet of ascent, marked aid stations, drop bag service and shuttle transport back to the start.
Multiple trail distances run through Redwood Regional Park on March 20, 2027 at Chabot Space & Science Center. Routes use East Ridge, West Ridge, Stream and Bridle trails and distances were measured with a Rolatape surveyor's wheel.