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Trail Running Calendar near Milpitas 2026-2027

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Explore the top trail runs near Milpitas for 2026-2027! We've gathered 46 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

November 2026
Trail races at Huddart Park with multiple distances, cupless aid stations, chip timing, post-race pancake breakfast, and awards for female finishers.
Trail and running events around Lake Chabot reservoir in Castro Valley, with distances from a 50 yard kids dash up to a 50K.
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.
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 cross country fun run on the Gunn 2.2 mile course in Palo Alto with a new kids half lapper race and limited pre race and race day registration.
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 from a kids run to a 50K at Calero County Park in San Jose with varied single track, multiple aid stations, free parking, and drop bag support for the 50K.
Trail races at Sanborn Regional Park on December 12, 2026: 5K, 10K and half marathon through redwoods with chip timing and finisher medals.
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.
Multi-distance trail event at Almaden Quicksilver County Park on January 2, 2027, with dirt-road courses, aid stations, drop-bag service, and published time cutoffs.
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.
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 race at Almaden Quicksilver Park offering distances from a kids run to 50K, out-and-back courses with marked trails, aid stations, and summit routes to Mt Umunhum.
Trail races from 5K to 50K through eucalyptus forests and lakeside trails at Lake Chabot Regional Park near Castro Valley, CA.
Trail runs in Sanborn County Park near Saratoga with Kids, 1 Mile, 4 Mile, 8 Mile and Half Marathon options on mostly single track forest trails.
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.
Trail run and hike in La Honda CA on March 6 2027 offering 50K, 21K and 10K courses with aid stations and marked trails.
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