Trail Running calendar near Lake Sonoma 2026-2027

A trail run through the forested trails of Pacific Union College offering 26k, 10k, and a 1 Mile Kids Run for ages 7 to 12. The event is cupless, parking is free first come first served, and proceeds support PUC Athletics.

A trail race from Stinson Beach into Muir Woods offering marathon, half marathon and 7 mile options, with technical climbs, ladder and stair sections, marked aid stations, and a field limited to 300 participants.

Run or walk through conifer forests and along coastal bluffs in Point Arena. This sustainable 5K trail event supports local environmental education and youth stewardship on the Mendocino Coast.

Experience the scenery of Tilden Regional Park at the Grizzly Peak Trail Run. Choose from various distances including a 50K and marathon starting from the shores of Lake Anza in Berkeley.

A timed half marathon on 9 May 2026 from Quintessa Winery to Yountville in Napa Valley. The finish line Wine Village features live music, Domaine Chandon welcome bubbles and complimentary tastings from multiple wineries.

Trail runs at Skyline Wilderness Park in Napa offer distances from 10K to 50K with steep Rim Rock climbs and valley views. Aid is touchless and parking is included with registration.

An inaugural trail ultramarathon in Napa offering a 50 mile solo and a two-person 50 mile relay over two long loops through Skyline Wilderness Park and Suscol Headwaters, run as a cupless event with four aid stations and limited crew access..

A race in El Sobrante on May 16, 2026 offering Half Marathon, 10K and 5K distances plus a remote runner option. Tiered registration fees apply and the event supports the East Bay Regional Parks Campership Program.

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..

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.

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.

Global Running Fest at Sports Basement Berkeley on May 31 features free road, trail, and kids runs, brand shoe demos, live music and raffles with over $5,000 in prizes. Beer sales benefit the youth program Running for a Better Oakland.

A free community festival in San Francisco hosted by UltraSignup with social group runs of about 3.2 or 4.5 miles, an expo with brands and race directors, a pancake breakfast, raffle prizes, shoe demos, and local partners.

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.

Trail races of 30K, 10K, 5K and a Kids 1K take place at Lagoon Valley Park in Vacaville. Courses are marked and supported with aid stations offering drinks and snacks.

A community charity walk and run at Howarth Memorial Park supporting Dogwood Animal Rescue Project, with a 1.5 mile course and a virtual option that ships a race packet including a limited-edition dog bandana.

A community fundraising run in Healdsburg offering 10K and 3K courses that begin and end near the Historic Downtown Plaza. The 10K loops around Fitch Mountain and the Russian River while the 3K is a flat in-town loop for families and walker..

A team navigation run in San Francisco starting at Ghirardelli Square where teams of one to five use a custom map to find checkpoints, with refreshments and social time after the finish.

Experience the rugged beauty of Mt. Tamalpais and Muir Woods in this coastal trail event starting from Stinson Beach. Choose between 10K, Half Marathon, or 30K routes featuring steep climbs and breathtaking Pacific views.