Trail Running calendar near North Fork American River 2026-2027

December 12 2026 trail races in Cool CA offering a 50K and Half Marathon with significant elevation, time cutoffs, live tracking and finisher medals.

A trail event on the El Dorado Trail in Placerville offering distances from a kids run to a half marathon on December 24, 2026.

Resolve2Run is an annual New Year’s Day 5K and 10K run-walk around Chicago Park School and scenic Nevada County, held as a fundraiser for the Peardale-Chicago Park Firefighters' Association, Chicago Park 4-H Club, and the school PTA.

Join a community run and walk along the scenic trails of the Tuolumne River Regional Parkway in Modesto. Support the Sole Support Sponsorship Program while completing a 5K course alongside friends and family.

Two scenic trail races along Folsom Lake on January 9, 2027, offering a 12K and 5K on single-track trails, post-race local beer for athletes over 21, commemorative items, hot food and age-group awards.

Trail races in Auburn CA across 50K, 35K, Heavy Half and 8K on technical single track featuring No Hands Bridge, steep climbs, cupless aid stations, and chip timing.

A trail running event at Folsom Lake offering distances from a Kids Run to 50K on mostly single-track trails with multiple aid stations and a 9-hour limit.

Trail 10K and 5K at Granite Beach, Folsom Lake on January 23, 2027 with aid stations, finisher medals, pre-order shirts and age group awards.

Experience a winter run through the technical terrain of the Red Hills Recreation Area in the Sierra Foothills. Choose between six or twelve mile distances featuring water crossings and muddy trails in a scenic natural environment.

Escape from Folsom on February 6, 2027 at Granite Beach offers a 10 mile and a 5K on scenic trails beside Folsom Lake. Aid stations supply water and fuel and every finisher receives a custom medal.

Jed Smith Ultra Classic on February 6, 2027 is a USATF certified loop event on the American River Parkway offering 50 mile, 50 k, marathon, 30 k and half marathon distances with two aid stations and race day packet pick up.

Experience a trail running event in Auburn featuring four major climbs and 6000 feet of elevation. Choose from distances ranging from 13km to 50km on a course with less than one mile of pavement.

Experience scenic lake views and wildflowers at Granite Beach during this trail event featuring a half marathon and 5K. Enjoy well stocked aid stations and earn a finisher medal on the trails of Folsom Lake.

A point to point 50 kilometer trail ultramarathon in the Sacramento foothills, running mostly on Cronan Ranch area trails from Magnolia Ranch Trail Head to Folsom Lake. A new half marathon distance has been added and proceeds support Breakt..

Trail runs at Granite Beach and Auburn Overlook Park offering 31K, 10K and 5K distances, finisher medals for all and a custom long sleeve hoodie for 31K finishers. Aid stations, post race food and a limited shuttle for 31K runners are provi..

A cross-country ski event at Tahoe Cross Country Center on March 7, 2027 offering 26 km and 10 km loops. The race raises funds for Tahoe Nordic Search and Rescue and includes a finish line party with food and live music.

A trail event at Granite Beach offering 5K and 10K courses plus a Mighty Mile for senior dogs, with divisions by dog size and Cani Cross, single aid station, finisher medals, and awards for multiple categories.

An hourly backyard ultra on Dry Creek Parkway near Sacramento where runners repeat a 4.16 mile loop until only one completes the most yards. Each loop must be finished within the hour and the last runner to complete a loop wins.

Trail races in Auburn and Cool, CA in March 2027 on sections of the Western States trail with 5K, 10K, half marathon, and 35K distances.

Obstacle course weekend with races from 5 km to 50 km, held April 3 and 4 2027 at Modesto Reservoir Regional Park near Waterford CA.