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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 71 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

August 2026
A 5k loop through Crissy Field and Fort Point Promenade in San Francisco for DSE’s 60th anniversary, with live, virtual, and self-timer options.
September 2026
Monthly Richmond meetups offering a community hike plus an optional trail-run option, organized by FIERCE Advocates with Moving Forward and Richmond Run Club.
Experience the natural scenery of Mount Diablo State Park through a variety of trail races. Runners can select distances ranging from 4 miles to a 50K with spectacular views of the San Francisco Bay Area.
Trail races at Tilden Regional Park in Berkeley offering 50K, 35K, half marathon and 10K with cupless aid stations and a 350 runner capacity.
Trail trail race in Cupertino offering a Half Marathon, 11K and a 2.5 mile charity Lollipop Loop with aid stations, swag, prizes, and a post-race barbecue.
A one day event at Bishop Ranch on September 12, 2026, with races from a half marathon to beer miles, on-site beer tastings, and an afternoon shindig.
Trail races at China Camp State Park offering 5K, 10K and a stout half marathon with participant swag included and limited parking.
A 40th edition cross country meet in Golden Gate Park with an approximately 4 mile two loop course over grass, dirt, and rolling hills.
Trail-based half marathon plus 5K and 10K with hills and scenic views in San Ramon on September 19, 2026; virtual entries available.
Family friendly Jog in the Fog 5K in San Francisco with a scenic 3.4 mile course, post race activities, age group awards, and a race t shirt for registrants.
Trail 5K at San Pedro Park with a hilly, technical first mile; a kids run and a members only picnic follow.
Historic Bay Area trail event offering 100K, 50 mile and marathon courses, all UTMB indexed with the 50 mile in the Pacific USATF Grand Prix.
The 9th annual Belmont Water Dog Run in Belmont CA features 10K, 5K, kid and Fido mile events plus a virtual option and race-day expo.
October 2026
A weekend of Olympic-distance triathlon, an Olympic relay, a trail half marathon and a kids fun event at McNear’s Beach Park in San Rafael.
Experience a trail half marathon on San Bruno Mountain featuring 2,400 feet of elevation gain and stunning views. Enjoy a scenic route with 93 percent trail coverage followed by a post race meal and finishers medal.
21st Annual Garin Park XC Challenge at Garin Regional Park is a USATF Pacific Association cross country meet with about 5K courses featuring hills, scenic views, and a half mile flat finish.
Off road 5K on San Bruno Mountain with about 300 ft elevation gain, starting and finishing at the picnic area and routing via Old Guadalupe Trail and Saddle Loop Trail.
Test your endurance at Lake Merced in San Francisco with a scenic 4.5 mile loop course. Choose between a standard run or tackle ultra marathon distances including the 50K and 50 mile events.
A 12.4 mile loop from Mitchell Canyon to the Mount Diablo summit and back, featuring about 4,000 feet of ascent and descent and a 5 hour cutoff.
Trail races of 5K, 10K, half marathon and 35K around San Pablo Reservoir on EBMUD trails, with chip timing, stocked aid stations, a cupless policy, and a 300-runner capacity.
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