Trail Running calendar near Sacramento 2025-2026

Way Too Cool in Cool, California brings scenic 50K and 10 mile trail runs over rolling hills and creek crossings. Enjoy stocked aid stations, a handcrafted finisher medallion, and post race tacos with a beer garden.

Take the plunge or lace up for a 5K trail or 1 Mile fun run at the Greater Sacramento Polar Plunge & Runs to support Special Olympics Northern California. Join the fun, earn a commemorative medal, and cheer on athletes.

Run scenic trails at China Camp State Park in Santa Venetia with live and virtual 5K, 10K, and half marathon options on March 15, 2026. Expect technical single track, big climbs, and rewarding views for trail runners seeking a challenge.

Run the Ruck a Chuck 50K on March 14, 2026 in Foresthill, California, through scenic Sierra Nevada foothills along sections of the Western States Trail. Enjoy rugged trail scenery and a memorable day on the dirt.

Run the Marin Ultra Challenge on March 14, 2026 from Rodeo Beach, choosing a rugged 50 Mile or lively 50K through Marin Headlands, Mount Tamalpais and Muir Woods. Expect big climbs, technical single track and sweeping coastal views.

The Big Alta is a three day trail running festival in Marin County offering 28K, 50K and 100K routes that climb scenic ridgelines with sweeping San Francisco Bay views. Expect staffed aid, chip timing and lively post race vibes.

Rattlesnake Dick in Cool, California on March 21, 2026 offers 50K, 25K and 10K trail runs through scenic Sierra foothills with a friendly back of pack vibe. Well supported aid stations, live timing, race shirts and finisher medals await.

Scenic single track trails, hills and streams in Bothe Napa Valley State Park near Saint Helena host marathon, half and 10K races on March 21, 2026. Limited to 300 runners, the event offers T shirts and medals for the marathon and half.

Run peaceful redwood trails in Oakland with distances from a kids 50 yard dash to 50K ultras, plus family friendly 5K and marathon options. Enjoy scenic singletrack, stocked aid stations and springtime forest views.

Run a scenic 10K trail at Lake Lagunitas with roots, bridges and about 400 feet of climbing while supporting Evidence Action's Safe Water Now program. Limited to 100 runners, rain or shine, so register early for this feel good challenge.

Run the Western Pacific at Quarry Lakes, Fremont on March 28, 2026. Choose a half marathon, 10K or 5K on mostly flat, scenic Alameda Creek and Western Pacific Trail, with virtual entries and free race photos.

Run scenic single track and fire roads around Auburn, including stretches of the historic Western States trail and the No Hands Bridge. Choose from 35K, half marathon, 10K or 5K distances, enjoy aid stations and a finisher medal for all.

Run scenic single track and fire roads above the Golden Gate Bridge at the Golden Gate Headlands Marathon, Half Marathon and 10K on April 4, 2026. Limited to 400 spots, this race delivers sweeping bay and ocean views.

Run the scenic trails of Mount Diablo near Walnut Creek on April 4, 2026 with Brazen Racing, offering distances from 5K to 50K. A portion of entry fees benefits Save Mount Diablo so you can race and help protect the park.

Run scenic trails along the American River Parkway with 50 mile, 25 mile or 10 mile routes all finishing in Auburn. Enjoy race swag, a handcrafted finisher medallion, on course fuel, and a festive post race beer garden.

Run around Angel Island for stunning views of the Golden Gate, Alcatraz and San Francisco in a scenic but hilly 10K or half marathon loop. Limited to 400 runners, ferry transport and a finisher shirt are included for participants.

Run scenic trails at Lake Sonoma near Healdsburg with 100K, 50K or the Trail Sisters women only half marathon that finishes at the Visitor Center. Expect big climbs, lake overlooks, strong aid support and a celebratory finish.

Run around Lake Chabot's scenic reservoir and rolling hills on April 11, 2026, with distances from a kids dash to a 50K ultra. Pre registered runners get shirts, all finishers earn medals, and well stocked aid stations keep you moving.

Join the Wild Flowers 10K in Auburn, CA on April 11, 2026 for a scenic trail loop featuring rolling terrain, single track and stunning viewpoints. Expect stocked aid stations, lively course support and chances at big prizes and travel award..

Challenge scenic, technical trails above Calistoga with 50K, 35K, half marathon and 10K options, several UTMB index races. Big climbs, remote single track and a custom finisher medal and race shirt for every finisher.