Trail Running calendar near Cupertino 2026-2027

Trail races at China Camp State Park in San Rafael feature single-track routes with bay and Mount Tam views. Courses include a climb starting around 1.5 miles and distances from 3.1 to 13 miles.

An obstacle race weekend at Toro Park near Salinas on May 30-31, 2026, featuring a 5 km Sprint with 20 obstacles, a 10 km Super with 25 obstacles, kids races and trail events across wooded, hilly coastal terrain.

A trail running event at Point Pinole on May 30, 2026, offering a half marathon, 10K and 5K. The original Brazen Racing event welcomes runners and walkers and includes bib pickup, posted results, free photos and volunteer roles.

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.

A community 5K and 10K run/walk at Seal Point Park in San Mateo on May 30, 2026, paired with a complimentary Wellness Fair. Race registration includes a t-shirt and finisher medal and team entries are eligible for a prize.

A multi-distance trail event at Calero County Park in San Jose on May 30, 2026, featuring single track, dirt paths and hilly terrain up to 50K, with aid stations, free parking and drop bag support for the 50K.

An evening trail event at Dos Rios State Park near Modesto offering 3 mile and 5 mile runs on fire roads along the Tuolumne River. Free registration and an informal post run gathering with donations supporting park rangers.

Trail races at Toro Park near Salinas on May 31, 2026 offer 10K, half marathon and marathon options on rocky trails and dirt roads. Average temp 16°C and average altitude 520 m; timing uses gun time.

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.

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.

A monthly community hike with an optional trail run pace at 5551 Giant Highway in Richmond, CA. Organized by FIERCE Advocates with Moving Forward and Richmond Run Club, the series runs on first Saturdays in 2026 and shares route details bef..

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 100-mile point-to-point ultramarathon on June 13, 2026, from UC Berkeley to Skyline High School in Oakland, featuring about 18,000 feet of ascent across East Bay ridgelines, redwood forest, and lake-shore fire trails with a 33-hour limit.

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.

Annual 5K and 10K fun run and walk each June at Hunting Hollow in Henry W. Coe State Park. The relatively flat dirt course runs through a wildflower-lined valley with oak trees and occasional wildlife, with proceeds supporting park projects..

A 5K run and walk on the trails of the Cosumnes River Preserve in Galt, CA, offered as an in-person outdoor event on June 13, 2026. The listing notes an overall duration of about three hours and free online ticket availability.

A multi-distance trail event at Fort Ord National Monument on June 20, 2026, with 50K, 35K, half marathon and 10K courses on varied single-track and fire roads. Chip timing, cupless aid stations, and a 350-runner capacity.

Experience the scenic trails of Lake Chabot Regional Park with a variety of distances including a 5k, 10k, and half marathon. Enjoy a lively atmosphere with a post-race brewfest and handcrafted finisher awards.