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Trail Running Calendar near Redwood City 2026-2027

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Explore the top trail runs near Redwood City for 2026-2027! We've gathered 65 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

April 2027
Trail race at Santa Teresa County Park on April 3, 2027 offering 5K, 10K, 10 mile and half marathon on marked, hilly trails.
Trail races from 5K to 50K on out and back courses in Sierra Azul at Almaden Quicksilver County Park on April 3, 2027, with aid stations and drop bag service.
A scenic loop race around Angel Island offering a 10K single loop and a half marathon of two loops with island ferry access and a 400-runner limit.
A trail event at Skyline Ridge Open Space Preserve offering distances from a 50 yard kids dash to a 50K race. Routes run largely on the Bay Area Ridge Trail with ocean and Santa Cruz Mountains views.
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.
A 5K mud and obstacle run at Club Moto in Livermore on April 17, 2027 with required signed waiver, a spectator fee, and listed entry prices.
A trail event at Lake Chabot Regional Park offering distances from a 50‑yard kids dash to a 50K ultramarathon. The looped course circles the Lake Chabot reservoir and surrounding hills with measured distances.
No Foolin' Foot Race in San Carlos on April 24, 2027 offers 15K, 10K, 5K and a 1K kids trail course across Big Canyon, Eaton and Pulgas Ridge, with proceeds supporting local open space trail maintenance.
Multiple trail distances at Almaden Quicksilver Park with marked courses, aid stations, drop bag service, and substantial elevation gain across short and ultra distances.
May 2027
Trail races from 50 yards to 50K around Lake Anza in Tilden Regional Park, Berkeley on May 8, 2027, with courses measured by a Rolatape wheel.
Trailquake in Saratoga on Mother's Day offers 5K, 10K, a half marathon and a hiker division on redwood and pine forest trails. Finishers receive custom medals and shirt options.
Charity trail event in Skyline Ridge Open Space Preserve near Los Gatos with 50K, 30K and 10K options and proceeds to UCSF cancer research.
Trail races, a beer mile, a one mile beer stroll, and post-run beer tastings at Almaden Lake Park in San Jose on May 29, 2027.
June 2027
Trail races from 50 yards to 50K through redwood forests in Joaquin Miller and Redwood Regional parks, finishing on the technical Cinderella trail.
Trail races at Calero County Park on June 5, 2027 from a kids run to a 50K, featuring single track, hills, aid stations, toilets, and paid registration.
A 100 mile point to point ultramarathon through the East Bay starting at California Memorial Stadium, featuring 18,000 feet of climbing and a 33 hour finish limit.
Trail ultras at Almaden-Quicksilver County Park on June 12, 2027, offering 100K, 50M, 50K, marathon and 30K with marked courses, aid stations, drop bags and pacer support.
July 2027
Community 10K and 5K in Los Gatos with mountain trails, informational booths and CPR training focused on addiction and fentanyl awareness.
July 24, 2027 at Lake Chabot Marina features 5K, 10K, half marathon, virtual 13.1 and a Half Marathon Hiker, with registration dates and published fees per event.
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