Trail Running calendar near Chico 2026-2027

A multi-distance trail event in Cool, California on June 13 and 14, 2026 featuring 13.5 and 11.5 mile loops, live runner tracking, single track and fire road terrain, and finisher awards for every distance.

A 100-mile trail event on two alternating loops in Cool, California, totaling about 13,600 feet of elevation gain. The race features marked single track and fire roads, aid stations, chip timing with live tracking, and handcrafted finisher..

A cupless trail race in the Susan River Canyon featuring a loop from Hobo Camp that uses the Bizz Johnson Trail outbound and flowy South Side singletrack on the return. Three distances are offered and all finishers receive a towel and medal..

A community relay on Auburn trails with 100 one mile legs and a separate 100 mile virtual challenge completed over 25 days, both offering tracking options and a finisher item for virtual participants.

Iron X pairs a half marathon in Auburn with extreme ironing at eight town locations. Participants must be self supported, carry their own board and battery iron, and record video proof at each site.

A seven‑week series of Tuesday night fun runs in Redding from July 14 to August 25, 2026, with two distance options each week and a single punch card that covers all seven events.

A trail event in Downieville, California with 25K, 50K, and 100K options on mostly singletrack. Courses include multiple aid stations, substantial elevation gain, and specific equipment and pacer rules for the 100K.

A trail run in Auburn on July 26, 2026 featuring 10.5 mile and 5.9 mile routes through single-track canyon trails, canal sections and dirt roads, with a tech shirt, finisher medal and post-race food and beer for those 21 and older.

A trail event at Granite Beach on August 23, 2026 offering 5K and 10K courses for runners and their dogs, with finisher medals and dog bandanas; aid stations provide drinks and gels and dogs have their own water.

Experience the inaugural Colby Mountain Trailfest in Butte Meadows featuring scenic 5k 12k and 24k courses. Support local trail maintenance and search and rescue efforts while exploring the newest trail systems in Northern California.

Trail races at Mammoth Bar OHV Area in Auburn State Recreation Area on September 6, 2026. Options include a 13.1 mile half marathon and a 6.2 mile 10K, each with notable elevation gain and staffed aid stations.

A family-oriented mud run in Redding on September 12, 2026 featuring a course just under 5 km with obstacles, creek crossings, vendors, food, and children's activities. The event supports the Active 20-30 Club of Redding.

Mile Madness is a looped trail event in Auburn, California held September 18-21, 2026, with timed races from six hour up to 72 hour and a 100 mile option. The 0.85 mile loop includes stocked aid stations, relays, massage, and buckle awards.

Trail runs at Granite Beach on Folsom Lake with new 10 mile and 5K courses, aid stations, age group awards, a finisher beer glass and a postrace meal.

Trail races along the Western States Trail near Auburn, California on September 27, 2026. Distances include a half marathon, 12K and 5K with electronic chip timing and finisher medals and t shirts.

Yuba Gold is a self guided 50K point to point in Nevada City, CA that runners may complete any day during October 2026. The original South Yuba Campground to Bear Valley course is run continuously and results are self reported.

Trail runs near Bear Valley and Lake Spaulding with a 50K and a 24 mile option. The 50K includes a summit loop with about 5,700 ft of gain, rocky sections on Signal Peak OHV Road, cupless aid stations, and finisher medals.

Trail races in Auburn, California along the American River Canyon rim with live music and free cider. Distances include a 50K, a half marathon and a 5 mile course with aid stations on the longer routes.

Granite Head Trails & Ales Trail Races feature 6.6-mile and 11.2-mile courses. Runners get a tech T-shirt and can enjoy post-race fajitas and a beer. The event is the final race in a local trail running series.

Fatass style trail races of roughly 25 and 50 miles near Foresthill, CA, featuring off-trail route finding, significant elevation gain, limited to 50 entrants, and a shared drop bag location passed twice.