Trail Running calendar near Chico 2026-2027

Experience the final 70 miles of the Western States trail during this three day training event featuring supported runs of 19, 20, and 32 miles through iconic canyon terrain and mountain climbs.

A 10 km trail run on the Olmsted Loop Trail in Cool, California on June 6, 2026. The route follows rolling hills beside the American River Canyon and includes a staffed aid station near mile 3.

The Cool Summer Night Run will take place in Cool on Saturday 6 June 2026. You can run 10 kilometers.

Scenic trail runs on the north shore of Lake Natoma in Fair Oaks with 5K, 10K and a kids run under 10. Hosted by the Fair Oaks Recreation & Park District, proceeds benefit the Rachel Anne Gray Memorial Scholarship.

Trail weekend in Cool, California with looped 13.5 and 11.5 mile courses forming distances from 5K to 100K. Marked single track and fire roads, live chip timing, aid stations, and finisher awards for every distance.

A 100 mile trail race in Cool, California on June 13, 2026, run on repeated 13.5 mile and 11.5 mile loops over single track and fire roads with about 13,600 feet of elevation gain. Finishers receive a handcrafted buckle and live tracking is..

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 in Auburn pairs 100 runners for one-mile trail legs on a mostly uphill course while a parallel virtual option asks participants to complete 100 miles in 20 days at any pace. Both options list a $35 entry fee.

Iron X is an extreme ironing half marathon in Auburn, CA where participants run the course and stop to iron a button up shirt at eight specified locations while carrying their own ironing gear and recording video proof.

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.

Trail races around Downieville featuring 100K, 50K, and 25K courses on mostly singletrack with stocked aid stations, required gear for the 100K, limited local lodging, and distance specific awards.

Trail run in Auburn California on July 26, 2026 featuring 10.5 miles and 5.9 miles courses through single-track, dirt roads and a canal system with steep sections named Cardiac and Last Gasp.

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.

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.

A multi-day ultrarunning event in Auburn, California (Sept 18-21, 2026) offering timed solo races and team relays on a looped course, staffed aid stations, milestone buckles, on-site amenities, and family cheer zones.

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.

A self guided 50K point to point course from South Yuba Campground to Bear Valley near Nevada City, CA, run any time from October 1 to 31, 2026. Runners complete the course in one continuous effort and submit an activity link within one wee..

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.