Trail Running calendar near San Carlos 2026-2027

Timed running events at Jacob Myers Community Park on November 21, 2026 let runners see how many miles they can complete in set durations. Options include two, four, six and eight hour races on a loop just under one mile.

Celebrate Thanksgiving at Hellyer County Park with a trail race along Coyote Creek. Choose from a USATF certified half marathon, 10K, or 5K while competing for a chance to win a turkey.

A Thanksgiving Day 5K and 1 mile event at San Leandro Marina with canicross teams, kids races, and proceeds benefiting animal welfare; the course is flat with mixed surfaces and free parking is available.

Quad Dipsea in Mill Valley, CA is a 28.4 mile out-and-back trail race with about 9,000 feet of ascent, stairs and technical trails. The route reaches Stinson Beach and is run twice, with aid stations and enforced cutoffs.

A family-friendly Thanksgiving weekend event at Quarry Lakes Regional Park offering a fast, mostly-flat half marathon, 10K, 5K and a free kids' sprint. The race supports the Alameda County Community Food Bank.

A seasonal cross country event in San Francisco on 12/6/2026 with live and virtual options. Distances include a 5K, 10K, and a nine mile course; all entrants receive race swag and there is a pre race bib and shirt pickup with Brewfest.

A multi-distance trail event at Calero County Park in San Jose featuring single-track, hills and varied terrain. Aid stations, drop-bag service for the 50K, free parking and support access at Rancho Cañada del Oro are provided.

Peacock Gap Trail Run at China Camp State Park on December 5, 2026 offers 10K, half and 30K trail courses with marked single track and fire roads, chip timing, aid stations, and a cupless water policy.

An urban single loop starting at Twin Peaks that offers 50K and 50 mile routes. The fat ass style event uses volunteer aid from parked cars and includes a 4 hour 45 minute cutoff at mile 25.

Trail races through redwood groves at Sanborn Regional Park with a half marathon, 10K and 5K. Routes use single track trails and chip timing, and walkers and hikers are welcome.

A loop course around Angel Island with panoramic San Francisco views. Options include a half marathon of two laps and a single loop 10K, limited to 400 participants and with ferry fees included in race pricing.

Forest and ridge single-track runs in Woodside, California with 10K, half, 35K and 50K options, chip timing, aid stations, and cupless hydration requirements.

Trail races at Lake Chabot in Castro Valley on December 31, 2026 include a half marathon, a 10K and a 5K. Hikers and walkers are welcome and runners can repeat the course on January 1 to earn the mega medal or combine both halves for a full..

A New Year's Day running event at Lake Chabot in Castro Valley offering 5K, 10K and a half marathon. The half marathon is part of the Brazen Ultra Half Series and the event includes bib pickup, free photos, results and volunteer options.

A winter trail event at Almaden Quicksilver County Park offering distances from a kids run to a 50K, marked dirt-road courses, aid stations with toilets, drop-bag service for longer races, and measurable elevation gain.

Join a community run and walk along the scenic trails of the Tuolumne River Regional Parkway in Modesto. Support the Sole Support Sponsorship Program while completing a 5K course alongside friends and family.

A trail race in Huddart Park near Woodside CA on January 17, 2027 offering distances from an 8K to a 50K plus a free kids 50 yard dash. Courses run through redwoods, are well marked, and feature stocked aid stations.

Run through the towering redwoods and lush ferns of Huddart Park in Woodside. This trail event offers multiple distances from a five mile race to a 50K ultramarathon plus a free dash for children.

Experience the magic of the Golden Gate Bridge and the Marin Headlands. This Spartan Trail event offers distances from 15k to 50 miles with panoramic mountain and sea views.

Experience scenic bay views and varied terrain at Coyote Hills Regional Park with half marathon, 10K, and 5K distances. Enjoy a mix of dirt trails and boardwalks on courses designed with minimal climbing.