Trail Running Calendar California 2026-2027

A 5k trail run at Black Star Canyon in Silverado, California, with mixed fire road and single track, 390 ft elevation gain, one aid station, a cupless policy, and pre-run access restricted to authorized days.

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.

A spring trail event in the Angeles National Forest offering a 50k and a half marathon across Pacifico Mountain with technical singletrack, multiple aid stations and a finish festival. The 50k awards Sterling Silver Tickets and a course rec..

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 and walk at Seal Point Park on May 30, 2026, paired with a free Wellness Fair and vendor area. Race entries include a t shirt and finisher medal, and team and yoga options are available.

A dog friendly 5K and 1 mile event at North Tahoe Regional Park with an expo, non competitive activities, and a fundraiser supporting local animal rescue and veterinary care.

An annual 5K and 10K run and walk in Rolling Hills Estates on May 30, 2026, using the city bridle trails around Ernie Howlett Park. Overall and age division winners receive plaques and medals.

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.

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.

Free, social group run by Aravaipa at El Moro and Laguna Coast Wilderness Park in Newport Coast on May 30, 2026. The route is about 5.5 miles with roughly 500 feet of ascent, some rocky sections, and post-run snacks and a raffle.

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 trail running event in Arnold, California on May 31, 2026 offering distances from 50k to 5k around White Pines Lake and the Arnold Rim Trail, with proceeds supporting the Arnold Rim Trail Association.

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.

Trail runs of 50k and 20k near Yosemite, with a start and finish at Camp Green Meadow Outdoor School and aid stations every 5 to 7 miles. The 50k passes Nelder Grove sequoias and includes overall and age-group awards.

Malibu Canyon Trail Races at Point Mugu State Park in Malibu, CA on June 6, 2026 offers trail distances from a half marathon to 100K. The event is sold out with a waitlist and has volunteer shifts that can be traded for a free KHraces entry..

A 50 mile out and back on the Pacific Crest Trail in Cleveland National Forest on June 6, 2026. The route gains about 7,500 feet between 3,000 and 6,000 feet and includes multiple staffed aid stations and specified crew access rules.

Trail races near Weott, CA, with a 30K and a 10.5-mile course that climb Grasshopper Peak and finish among old growth redwoods. Online registration closes June 3; no in-person registration.

The City of Fullerton’s inaugural Fullerton Fit 5K Trail Run takes place June 6, 2026 on a dirt course near Brea Dam, accompanied by a Health & Wellness Fair with vendors, demonstrations, and food trucks.

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.