Trail Running calendar near San Ramon 2026-2027

The 30th annual Jackrabbit Derby on May 17, 2026 at Spring Lake Regional Park in Santa Rosa features a 3 mile cross country race and a 1K Bunny Hop for kids. Online registration closes May 15 and members have free online entry.

Trail races of 5K, 10K and a half marathon take place at China Camp State Park near San Rafael, CA, on single-track and fire road routes with bay and Mt. Tam views. Courses are chip timed and supported by aid stations; this is a cupless eve..

A Spartan obstacle weekend at Toro Park near Salinas on May 30 and 31 2026, featuring a Sprint 5 km with 20 obstacles and a Super 10 km with 25 obstacles. The course runs through wooded trails, rolling hills and coastal views.

Nitro Trail on May 30, 2026 at Point Pinole Regional Shoreline Park features a half marathon, 10K and 5K plus a remote runner option. A hiker start is available for half marathon walkers and the event supports a parks campership program.

Experience a technical trail race through the redwood groves of Joaquin Miller and Redwood Regional parks. Choose from multiple distances ranging from an 8K to a 50K ultra marathon on accurately measured courses.

Experience a scenic run through Coyote Point Recreation Area with a 5K or 10K event supporting mental health. Enjoy a free community wellness fair featuring local health vendors and family friendly activities.

These trail runs explore the beautiful Sonoma Coast State Park. The courses traverse a scenic ridgeline with ocean views and summit Red Hill. The event will return in 2027 with a planned new location in Monte Rio.

Calero Trail Run at Calero County Park in San Jose offers trail distances from a kids run to a 50K, with single-track, hills, aid stations, parking at the park, and time limits for longer races.

Toro Park Trail Run in Salinas presents scenic trail routes through rolling golden hills and oak stands. Distances include a 10K, a half marathon and a 50K and the weekend also features Spartan obstacle races.

A community run and expo in San Francisco on June 6, 2026 featuring group runs of 3.2 miles and 4.5 miles, vendor booths, a pancake breakfast, and a raffle with prizes.

Trail races on the north shore of Lake Natoma in Fair Oaks with 5K and 10K courses through oak bluffs, wetlands, and historic dredge terrain. Proceeds benefit the Rachel Anne Gray Memorial Scholarship.

A trail event at Almaden-Quicksilver County Park on June 7, 2025 offering distances from 5K to 50K, steep climbs, marked courses, aid stations, and toilet facilities. The 52 mile race is not held in 2025 and is planned to return in 2026.

Trail runs on Lake Natoma’s north shore in Fair Oaks CA with 5K and 10K courses plus a kids run for under 10s. Hosted by the Fair Oaks Recreation and Park District with proceeds supporting a local scholarship.

Experience the 42nd annual Lake Chabot Trail Challenge featuring a scenic half marathon loop and a paved 5K run. Enjoy views of the San Francisco Bay and Mt Diablo while competing for medals on chip timed courses.

Experience a point to point 100 mile ultramarathon from UC Berkeley to Oakland. This trail race features 18,000 feet of elevation gain through redwood forests and scenic ridgelines with expansive California views.

Experience a fixed-time event at Crissy Field with stunning views of the Golden Gate Bridge. Run or walk as many laps as you choose in three six or twelve hour blocks as an individual or part of a team.

Experience the scenic trails of Lagoon Valley Park at The Pena Passage. Choose from 30K, 10K, or 5K distances featuring rolling hills and oak groves in a natural setting.

Annual 5 km and 10 km run and walk in Hunting Hollow at Henry W. Coe State Park, on a relatively flat dirt road through valleys with late spring wildflowers and possible wildlife sightings. Proceeds support Pine Ridge Association projects a..

A charitable walk and run on June 14, 2026 at Howarth Memorial Park in Santa Rosa, CA. The event includes an in person 5K, a Dogwood Dash and a virtual any distance option; registration is coming soon.

The 50th Fitch Mountain Footrace in Healdsburg, California featured a 10K that loops around Fitch Mountain and a fairly flat 3K downtown circuit. Proceeds supported the Healdsburg High School Track and Field and Cross Country program.