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Trail Running Calendar near San Leandro 2026-2027

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Explore the top trail runs near San Leandro for 2026-2027! We've gathered 58 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

November 2026
Community running event in Ross, CA on November 8, 2026 with a Toddler Dash, 1 mile, 5K and 10K plus post-race festivities and finisher medals.
Experience a flat and fast trail race through the scenic Quarry Lakes Regional Recreation Area in Fremont. Choose from a USATF certified half marathon, 10K, or 5K while enjoying views along the Alameda Creek Trail.
11th Annual Nomadic 5K Trail Run at Arbolado Park in Walnut Creek on November 21, 2026, a community 5K with a walk option, Mongolian food and kids activities.
A Thanksgiving morning turkey trot at Point Pinole with 5K, 10K and a short kids sprint, plus a food drive supporting the Food Bank of Contra Costa & Solano.
A Thanksgiving Day vegan fundraiser at San Leandro Marina featuring a flat 5K, canicross with dogs, a 1 mile walk, and kids races supporting the Milo Foundation.
A community untimed run and walk at Benicia Community Park on Thanksgiving supporting the Tim and Jeannie Hamann Foundation and local cancer patients.
A community cross country fun run on the Gunn 2.2 mile course in Palo Alto with race morning registration and youth half lapper races.
A 28 mile out and back on the Dipsea Trail around Mill Valley featuring 9200 feet of climb, single track, many stairs, and aid stations stocked with GU Roctane.
Quarry Turkey in Fremont offers a half marathon, 10K, 5K and a virtual race over Thanksgiving weekend, plus a Little Turkeys kids race and a food drive.
December 2026
Trail races at China Camp State Park with 10K, half and 30K options on marked singletrack and fire roads featuring significant climbs and cupless aid stations.
A San Francisco cross country event on Sunday, December 6, 2026 offering 5K, 10K and a Naughty Nine Miler with live and virtual options and race swag for all.
A memorial 5K on Baker Beach honoring a longtime DSE member, featuring a mixed surface course with a wooden bridge and parking at the upper lot.
A community fundraiser at Joaquin Miller Park featuring a 5K trail run and a 1 mile kids fun run on 12/06/2026.
Scenic island race at Angel Island with a half marathon and a 10K, limited field, ferry access required, and medals for all half finishers.
Trail races in Woodside, CA on December 19, 2026 offering 10K, Half, 35K and 50K on redwood single-track with aid stations and chip timing.
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.
Multiple trail races on 01/17/2027 at Huddart Park, from a 50 yard kids dash to 50K, set among redwoods, ferns and trails at King's Mountain and Bear Gulch.
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.
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