Trail Running Calendar California 2026-2027

The Ranch 50K is a trail race in Escondido's Daley Ranch area on February 14, 2026, featuring a 50K and a Half Marathon. Both courses start and finish at Dixon Lake and include multiple aid stations. Participants receive race swag, and fini..

Scenic races at San Leandro Marina on February 14, 2026, with half marathon, 10K, 5K and a remote runner option. The mostly flat bayside course stays close to the water and offers views of San Francisco and the Bay.

This inaugural Valentine's Day 5K takes runners through the orange orchards of a historic citrus ranch in Ivanhoe. The chip-timed course starts and finishes inside a wedding venue. Participants receive a t-shirt, finisher medal, snack pack,..

A challenging 51-mile self-supported trail run celebrating Chinese New Year in San Diego. This "fat ass" event offers no aid or course markings, requiring full self-sufficiency from runners navigating the scenic but demanding route.

Celebrate Valentine's Day with a run through Griffith Park. Choose from a 5k, 10k, 15k, or Half Marathon on a scenic dirt trail. The event includes finisher medals, photos, and a relaxed atmosphere for all levels.

FOURmidable is a trail running event in Auburn, California offering 50K, 35.5K, half marathon and 13K races. Prize money is funded by runner donations matched up to $3,000, plus a $500 bonus for a 50K course-record break.

Trail race in San Pasqual Valley with 20 mile, half marathon and 10K options; the longer courses summit Raptor Ridge twice and most of the terrain is single track. Finish line features a free wine tasting with local vineyards.

Redtail Ridge at Lake Chabot on February 21, 2026 features 5K to 50K trail races on mixed dirt trails, fire roads and some paved sections. The event is chip timed, cupless, and limited to 500 runners.

Explore scenic trails at Folsom Lake with the Lost Trail Half Marathon and 5K. The well-marked courses offer lake views and wildflowers. Awards celebrate top finishers and age group performers.

Montara Mountain Trail Run in Pacifica on Feb 21, 2026 offers distances from a 10K to a 50K plus a free kids 50 yd dash, marked courses, aid stations every 6 to 7 miles, and a cupless hydration policy.

A trail event at Audubon Center at Debs Park on February 21, 2026 offering a 4 mile run and a 2K youth hill challenge. The route runs on rolling hills with narrow trails, is pet friendly, and includes hydration stations.

This trail run in Walnut Creek's Lime Ridge area features unmapped courses. Runners follow a map to find checkpoints, choosing their own path through oak trees and quarries. Snacks await at the finish.

A community running event in Clovis offering competitive and fun runs plus a virtual 5k, supporting veteran-focused nonprofits. The in-person course uses the Clovis Old Town Trail and includes chip timing and age group awards.

A point to point trail event near Coloma offering a 50K ultrarun and a new half marathon, organized by Coloma River Races to benefit Breakthrough T1D, with multiple aid stations, local finisher medals and age group awards.

Sycamore Canyon on Feb 28, 2026 is a loop course trail event at Goodman Ranch Sycamore Canyon Preserve near Poway, CA. It offers 100K and 50K as solo or four person relays and a half marathon; solo 100K entrants need a prior 50K or longer f..

Trail races at Tejon Ranch near Lebec California include 100k 50k 25k and 11k on fire roads with marked courses aid stations and chip timing. The event offers camping options a finish festival with food and a beer garden for 21 plus.

Trail event in Japatul Valley offering a Kids 2K plus 5K, 10K and 15K on private ranch trails. Team awards, long sleeve tech shirts and cookie medals are part of the event experience.

A chip timed trail event at Panorama Vista Preserve with 6K and 12K courses, hand made age group awards, event shirt, post race pancake breakfast, raffles, and a finisher medal.

The Zoom Angel Island will take place in Tiburon on Sunday 1 March 2026. You can run between 5 and 15 miles.

A 5K snowshoe walk and race at Camp Richardson in South Lake Tahoe on March 1, 2026. The machine groomed course crosses forest and mountain meadows and the event benefits Metavivor, a metastatic breast cancer organization.