Trail Running calendar near Folsom 2026-2027

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.

Timed loop endurance races at Point Pinole on July 25, 2026 offering 12, 6 and 3 hour options for individuals or teams, with an all-day BBQ.

A 12.5 mile point to point mountain trail race on Donner Summit near Soda Springs California. The course includes four summits, about 3,300 feet of elevation gain, shuttle transportation and a unique finisher item.

A trail race in Auburn CA on July 26 2026 offering 10.5 and 5.9 mile courses through single track, canal sections and dirt roads with views of the American River Canyon. Organized by Fleet Feet Sacramento Trail Challenge.

A multi-loop trail marathon near Soda Springs, CA covering about 26.4 miles and 4,300 ft of gain across Royal Gorge land, with a central aid station, solo and relay options, parking at Soda Springs Ski Resort, and shuttle service to the aid..

Monthly community hikes with an optional trail-run pace in Richmond, organized by FIERCE Advocates with Moving Forward and Richmond Run Club. Route details and gear recommendations are shared with registrants ahead of each meetup.

A time based trail running event at Skyline Wilderness Park Napa on August 8 2026 offering 12 hour, 6 hour and 3 hour options plus relays. Main loop is about 4.1 miles with roughly 815 feet of elevation per lap and a short final loop.

A high Sierra trail event at Horse Canyon Trail Junction offering 5.6M, 10.5M, 21M and 50K options across alpine loops. The course sits near 7,400 feet with two aid stations, limited field size, and variable mountain weather.

Bear Creek on August 8, 2026 offers 5K, 10K and a 13.32-mile half marathon in the Briones Regional Park area, with a virtual Remote Runner option. Entry windows and fees are listed for each race.

A 50th annual running event in Pinecrest, California featuring a five mile route around Pinecrest Lake and a one mile pavement race. The event raises funds for Pinecrest Expedition Academy and pets are not allowed.

Trail races based at Spooner Lake in Lake Tahoe Nevada State Park. The Marlette 50K covers about 30 miles of Sierra single track with Marlette Lake at mid course while the 10 Miler is a round trip to Marlette Lake.

The Trail Run At Sly Park - Summer will take place in Pollock Pines on Saturday 22 August 2026. You can run between 5 and 50 kilometers.

A largely off-trail peak-bagging event in Desolation Wilderness near South Lake Tahoe, offering 11-, 17- and 21-peak options on an unmarked route that requires navigation and mountaineering skills.

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.

A two-day Spartan obstacle race at Mahon Ranch near Sacramento featuring Sprint 5 km, Super 10 km, kids races, team entries, volunteer options and spectator access.

A community run in Tahoe Vista with a 5K and a 1 mile fun run across grass fields, paved bike paths and park trails. Parking and a participant hat are included, and proceeds support a park nonprofit.

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.

Experience the natural scenery of Mount Diablo State Park through a variety of trail races. Runners can select distances ranging from 4 miles to a 50K with spectacular views of the San Francisco Bay Area.

A 6.45 miles trail race in Annadel State Park organized by the Empire Runners Club, held in early September with staggered age and gender starts, limited to 100 runners and awards for the top 13 finishers.

A point-to-point trail run around Emerald Bay of about 7 miles (approximately 11 to 12 km). The single-track course includes granite steps and moderate climbs and finishes at Lester Beach with shuttle service back to the start.