San Leandro
Trail Running Calendar near San Leandro 2026-2027
Explore the top trail runs near San Leandro for 2026-2027! We've gathered 62 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
December 2026
Trail races at Lake Chabot in Castro Valley on New Year's Eve and New Year's Day with 5K, 13K, half marathon, 10K and a remote option.
January 2027
Trail focused 5K, 10K, half marathon and virtual option at Lake Chabot on January 1, 2027 with varied surfaces and rolling hills.
Two-day trail event in San Francisco on January 23-24, 2027 offering 15K, 25K, 50K and 50 mile courses through the Marin Headlands and over the Golden Gate Bridge.
Mixed-surface runs at Coyote Hills Regional Park with 5K, 10K and half marathon options, stocked aid stations and GPX course files available.
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
Trail event at China Camp State Park offering live and virtual 5K, 10K and half marathon courses with technical terrain and significant elevation gain.
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.
Multi-distance race on March 27 2027 at Quarry Lakes Regional Recreation Area in Fremont featuring a mostly flat course on the historic Western Pacific Trail.
April 2027
Trail races near Mount Diablo on April 3, 2027 with multiple distances and a portion of entry fees supporting Save Mount Diablo.
Trail races in the Marin Headlands featuring marathon, half marathon and 10K courses with coastal and bay views and a 400 runner limit.
A hilly loop race around Angel Island offering a 10K single loop and a Half Marathon that repeats the loop, limited to 400 participants with athlete ferry included.
Trail races at Lake Chabot Regional Park around the reservoir, with distances from a 50-yard kids dash up to a 50K measured for accuracy.
Badger Cove is a running event in Livermore, CA on April 17, 2027 offering a half marathon, 10K, 5K and a hiker division. Registration opens January 1 and closes February 2 with fees varying by event.