Trail Running calendar near Downtown San Jose 2026-2027

Join Wildcat 2026 on May 16 in El Sobrante for scenic half, 10K, 5K and remote run options that boast 360 degree views of the Bay Area. Run for fun or support the East Bay Regional Parks Campership Program.

Run scenic single track trails at China Camp State Park on May 23, 2026 with half marathon, 10K and 5K options. Limited to 275 runners, course offers climbs, views of Mount Tamalpais and the bay, aid stations, shirts and finish medals.

Nitro Trail 2026 is a trail running event at Point Pinole Regional Shoreline Park in San Pablo, CA on May 30, 2026, offering a half marathon, 10K and 5K. Organized by Brazen Racing, it includes a remote runner option and volunteer-supported..

Run scenic trails in Joaquin Miller and Redwood parks near Oakland, with distances from a 50 yard kids dash to marathon and 50K. Enjoy stocked aid stations, a technical Cinderella finish and shirts for preregistered runners.

Join San Mateo PALs 5K and 10K at Coyote Point on May 30, 2026 to support health and mental wellness. Race registration includes a T shirt and access to a free Wellness Fair, and the event welcomes families, strollers and dogs.

Trail races at Toro Park near Salinas, CA take place on rolling golden hills and smooth trails. Distances include Trail 10K, Half Marathon and Trail Marathon, and the weekend also features Spartan obstacle course races and spectator access.

Join Dirt Circus in Mill Valley for a free community running festival with social runs, an expo, pancake breakfast and local vendors. Costumes are encouraged and the event is cupless so bring a reusable bottle.

Run scenic trails at Lake Chabot on June 7, 2026 in a chip timed half marathon or 5K with ridge top views of Mt Diablo and the Bay. Presented by Castro Valley Sports Foundation as a fundraiser with finisher medals.

The Bay Area 100 is a 100 mile point to point ultramarathon across Berkeley and Oakland ridgelines and redwood forests. With about 18,000 feet of climbing and a finish on the Skyline High School track, it offers a rugged, scenic test.

The Golden State - Marina, CA will take place in Monterey on Saturday 20 June 2026. You can run between 6 and 31 miles.

Rock the Loch offers 5K, 10K and half marathon around Lake Chabot with scenic but challenging trails. Live and virtual entries include a tech shirt, wooden medallion, post race snacks and a brewfest.

The Bay 2 Bankers 10K will take place in Fort Mason on Saturday 4 July 2026. You can run between 5 and 10 kilometers.

Run through coastal redwoods and riverside canyons in Santa Cruz with distances from 10K to 50K and a free kids run. Pre registered runners get shirts and all finishers earn a custom medal on scenic single track trails with full aid.

Trail runs of 10K, Half Marathon and 30K around Mt. Tam and Muir Woods with steep climbs, technical single track, aid stations and a cupless policy; event capacity is 300 and chip timing is used.

The Rodeo Valley Trail Run will take place in Sausalito on Saturday 1 August 2026. You can run between 8 and 50 kilometers.

Skyline 50K runs August 2, 2026 at Lake Chabot Marina in Castro Valley, featuring a scenic loop through East Bay Regional Parks. One of the nation's oldest 50K races, it welcomes first time ultrarunners and includes a half marathon option.

Run among towering redwoods in Oakland on August 15 at the Redwood Summer Trail Run, with distances from a 5 mile to an epic 50K plus a free kids dash. Expect stocked aid stations, finish medals and classic trail vibes.

Run scenic single track through Huddart Park, King's Mountain and Bear Gulch with options from 8K up to 50K, plus a free kids dash. Fully stocked aid stations and classic California trail views make for an unforgettable day on the trails.

Trail races from 4 miles to 50K take place on Mount Diablo on September 6 2026. Courses are marked with ribbons and polka dot flagging and aid stations appear every 3 to 5 miles.

Trail races in Tilden and Wildcat Canyon on September 12, 2026 feature 10K, half marathon, 35K and 50K routes over dirt trails and fire roads with notable bay and Golden Gate Bridge views. Aid stations are spaced every 5 to 7 miles and the..