Trail Running calendar near Kenwood 2026-2027

Dirt Circus in San Francisco is a free community festival by UltraSignup featuring a social 3.2 mi or 4.5 mi group run, an expo with brand vendors, food, and a raffle, plus local partners and limited on-site parking.

Trail races of 5K and 10K along wetlands, oak bluffs and historic rock-dredge terrain on the north shore of Lake Natoma. Entry fees vary by date and proceeds benefit the Rachel Anne Gray Memorial Scholarship.

Trail run on June 6, 2026 at Lake Natoma in Fair Oaks offering 5K, 10K and a kids run for under 10 years old. Routes pass wetlands, oak woodlands and single track; proceeds support the Rachel Anne Gray Memorial Scholarship.

A monthly community meetup in Richmond offering a conversational group hike or an optional faster trail run, organized by FIERCE Advocates with Moving Forward and Richmond Run Club. Events are family friendly and include free parking.

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.

A point-to-point 100-mile ultramarathon from UC Berkeley to Skyline High School in Oakland, featuring about 18,000 ft of elevation across ridgelines, redwood forest and lake trails; the 2026 race is sold out with a waitlist.

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 5K fun run and walk at Cosumnes River Preserve in Galt, California on June 13, 2026. The in person event follows trails within the preserve, is organized by Cosumnes River Preserve, and has free admission.

Tails & Trails Charitable Walk/Run in Santa Rosa supports Dogwood Animal Rescue with in person and virtual options, flat scenic trails, a community finish area, and a limited edition 2026 dog bandana for participants.

Live and virtual options at Lake Chabot feature 5K, 10K, and a half marathon with multiple aid stations, on-course nutrition, race apparel and a woodallion, post-race beverages, and a brewfest atmosphere.

A 10-mile trail race in Redwood Regional Park with single-track terrain, a timed 0.8 mile hill climb, age-based handicap starts, limited to 250 runners, and a team competition.

A community Independence Day event at Sycamore Grove Park featuring a flat 5K on mixed paved and dirt trails and a 400 meter kids run for ages 10 and under. T shirts are included with race fees.

A map based urban navigation run in San Francisco with 5K and 10K map courses starting at Ghirardelli Square. Teams of one to five use custom maps to find checkpoints, with refreshments and socializing after the finish.

Trail races of 10K, half marathon and 30K run from Stinson Beach into Mt Tam and Muir Woods, featuring steep climbs, technical single-track, marked courses, aid stations, and chip timing.

Timed trail races at Point Pinole on July 25, 2026 offer 12 hour, 6 hour and 3 hour formats on a 3.37 mile loop with shoreline views and eucalyptus groves. Solo runners and two or three person teams are accepted, and entry includes an all d..

A multi-distance trail event at Rodeo Beach in the Marin Headlands offering 50K, 30K, Half Marathon and 8K courses with coastal single track, significant elevation, ocean views, varied aid stations, and chip timing.

A historic trail 50K and half marathon around Lake Chabot in Castro Valley, featuring a large loop through East Bay Regional Parks with substantial climbing. Finishers receive a shirt, socks, and a medal, and podium awards are presented.

A time based trail event at Skyline Wilderness Park in Napa on August 8, 2026 where runners cover as much distance as possible in three, six, or twelve hour formats. Main loops are 4.16 miles with roughly 815 feet of elevation per lap; the..

Trail races in Lafayette on August 8 2026 include a half marathon, 10K and 5K through Briones Regional Park. All courses have hills and use electronic chip timing; finishers receive medals and shirts.