Trail Running calendar near Chico 2026-2027

We have found 37 Trailruns within 80 miles of Chico. See below where and when you can find the races.

Trail runs at Granite Beach beside Folsom Lake offering 10 mile and 5K courses with multiple aid stations, finisher medals, and age group and overall awards. Pre-sale shirts are available.

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 runs at Granite Beach on well marked single track with scenic lake views and stocked aid stations. Distances include a 5K and a half marathon, with finisher medals, race shirts for preorder and age group awards.

March 2026

Way Too Cool brings a 50K and a 10 mile trail run to Cool, California on March 7, 2026, over rolling hills with creek crossings and staffed aid stations. Entries include race shirt, finisher medallion, timing, on course nutrition, and post..

Join the Greater Sacramento Area Polar Plunge & Runs for a chilly community plunge and scenic runs. Pick a timed 5K trail or a 1 Mile fun run, fundraise for Special Olympics Northern California and even register as a 'chicken' to stay dry.

A 50K trail run in Foresthill, California that follows sections of the Western States Trail on an out and back course. The route starts at Drivers Flat, turns at Dardanelles Creek, includes six aid stations and has a cutoff of 9 hours 30 mi..

A themed trail event in Cool, California offering 50K, 25K and 10K on marked courses with mapped routes, aid stations, live timing, participant shirts and finisher medals.

A trail race on March 28, 2026 at American River Overlook Park offering 5K, 10K, Half and 35K routes on Western States trail sections, with technical single-track, major climbs, cupless aid stations, chip timing, and a 400-runner capacity.

April 2026

A women focused 10K in Auburn on April 11, 2026 featuring scenic trail loops, finisher shirts, age group awards and a raffle with four winners earning a trip to a women only running camp in Spain.

A multi-distance trail event in Pilot Hill, California on April 11, 2026, organized by Troy’s California Trail Runs, with courses on stony dirt paths across hilly terrain and lake views, offering distances from 5K to 50K.

Run scenic singletrack by Folsom Lake at Outlands Endurance Race in Pilot Hill CA April 18 2026 with 25K, 50K and 50M out and back courses. Includes a hat, wood awards, a post race meal and Sierra Ultra Trifecta credit for 50K and 50M.

A 14.5 mile trail run near Bullards Bar Reservoir in Camptonville, CA, hosted by the Tahoe Hotshots. Proceeds go to the Wildland Firefighter Foundation and the course features three stocked aid stations plus a taco truck at the finish.

Trail races around Auburn, California, across the Western States Trail with four distances from 25 km to 161 km; the 100K awards Western States Golden Tickets and the event qualifies for UTMB World Series Finals.

UTMB Index
May 2026

A multi-distance trail event in Susanville, CA featuring single-track routes through meadows and pine forest, relay options, a kids mile, staffed aid stations, and a cupless policy.

Trail race in Cool, California on May 9, 2026 featuring single track, creek crossings, and varied terrain. Two distances are offered, **10.3 miles** and **5.8 miles**, and the event is limited to 600 participants.

Run the Wild Rose Half Marathon or 5K on May 16, 2026 in Roseville, CA, finishing at Moksa Barrel House. Enjoy scenic paved bike and park paths, a finisher medal, choice of tech shirt or BOCO hat, and a Moksa drink ticket for 21 and over.

Train over Memorial Weekend on the iconic final stretches of the Western States course with three organized runs covering much of the last 70 miles. Tackle canyon climbs, enjoy aid stations and camaraderie while prepping for race day.

June 2026

A 10 km trail race in Cool, California on June 6, 2026, run on the Olmsted Loop Trail in Auburn State Recreation Area. Registration closes June 3, 2026.

A multi distance trail event near Cool California using two main loops to create races from a 5K to a 100K. Courses use single track and fire roads, include aid stations, live tracking, timing chips, and finisher medals and shirts.

A 100-mile trail race in Cool, California using repeated 13.5- and 11.5-mile loops, with single track and fire roads, aid stations, live tracking, a 37-hour finish cutoff, and pacers allowed after mile 38.5.