Trail Running Calendar California 2026-2027

Tackle snowy trails at the Racing Gnome Snowshoe Race in Truckee on February 8, 2026, with 5K and 10K options for all paces. Hosted by Donner Party Mountain Runners, the friendly event offers limited loaner snowshoes and course previews.

A cross country event in Fresno featuring an 8K race, a 2 mile walk and kids races. The off-road course includes water pits, muddy sections, hills and hay obstacles, and 8K age group awards are offered.

Run scenic, rolling trails through Escondido's Daley Ranch with a rugged 50K two loop challenge or a single loop half marathon. Both races start and finish at Dixon Lake with stocked aid stations and SoCal Ultra Series points.

A bayside Valentine's Day run at San Leandro Marina Park offering a half marathon, 10K and 5K on a mostly flat course close to the water. Walkers and remote runners are welcome.

Celebrate Valentine’s Day at Farmer Bob's Live, Love, Run 5K winding through orange orchards on a picturesque citrus ranch in Ivanhoe. Chip timed with a custom finisher medal, fresh picked oranges and a lively DJ celebration.

Celebrate the Lunar New Year with a bold, self supported trail loop in San Diego. This unmarked 51 mile course around PQ Canyon demands navigation and self reliance, rewarding runners with scenic trails and a true backcountry challenge.

Celebrate Valentine’s Day with a scenic trail run in Griffith Park Los Angeles. Choose from 5k, 10k, 15k or half marathon loops and enjoy aid stations, a finisher medal, free photos and post race snacks.

Join FOURmidable trail races in Auburn, CA on February 21, 2026, offering 50K, 35.5K, half marathon and 13K for all abilities. Prize money and course record bonuses add extra excitement; register by Feb 19 at 11:59 PM PT.

Take on scenic single track trails at the ninth annual San Pasqual Valley Trail Race in Escondido, with 20 Mile, half marathon and 10K options that summit Raptor Ridge. Celebrate at the finish with free wine tasting from local vineyards.

Run scenic trails around Lake Chabot in Castro Valley with distances from 5K to a challenging 50K across technical singletrack, fire roads and long climbs. Chip timed, cupless event with a 500 runner limit.

Run scenic single track trails along Granite Beach at Folsom Lake with wildflowers and lake views in the Lost Trail 5K and Half Marathon. Well marked courses with aid stations, shirts and finisher medals for a rewarding trail day.

Experience coastal mountain single track and sweeping Pacific views at the Montara Mountain Trail Run in Pacifica. Choose distances from a 10K up to 50K or marathon for challenging climbs and a family friendly kids dash.

Run rolling trails at Debs Park in the 4 Mile Hill Challenge, with a scenic 4 mile route, a spirited 2K youth climb and a green earth celebration. Note the event is currently listed as postponed.

Join the Wild Goose Chase at Lime Ridge in Walnut Creek for a map based trail adventure through oaks, quarries, and rock labyrinths. Choose 5K or 10K and navigate an unmarked course to find checkpoints, then enjoy post race treats.

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.

Run scenic Salmon Falls trails in the 50K Endurance Run with 50K and half marathon options and a Browns Ravine finish. Proceeds benefit Breakthrough T1D and finishers get a local medal and a half zip pullover.

Challenge yourself at Sycamore Canyon in Poway CA on Feb 28, 2026 with looped 100K and 50K ultradistance options plus a half marathon at Goodman Ranch Preserve. Solo and 4 person relay entries available for the ultras.

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.

Ranch to Ranch brings you rugged single track trails between working ranches in scenic Japatul Valley, with distances from a fun kids 2K to a challenging 15K. Enjoy a lively ranch vibe, team competition, and sweet swag including long sleeve..

Pick a scenic 6K or adventurous 12K through Panorama Vista Preserve along the Kern River with flat fast stretches and bluff climbs. Chip timing, custom shirt and finisher medal plus pancakes and raffles make this a fun community run.