Trail Running calendar near Nevada City 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.

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.

Trail races in the American River Canyon with long and short courses across rocky single track, dirt roads, canals and hills.

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..

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.

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.

Trail Run at Sly Park in Pollock Pines offers trail distances from 5K to 50K around Jenkinson Lake with on-site registration, marked courses, aid stations, and finisher medals.

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.

A USATF sanctioned trail 5k at Hidden Valley Regional Park in Reno on September 5, 2026. Proceeds benefit Azteca FC and all participants receive a shirt, finisher medal, and sticker.

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 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.

A just over 10 mile out and back trail climb to the 10,776' Mt. Rose summit raising funds for Washoe County Search and Rescue. Single-track mountain trail, two water-only aid stations, volunteer stopwatch timing, USATF sanctioned.

The Xterra Lake Tahoe will take place in Incline Village on Sunday 13 September 2026. You can run between 5 and 10 kilometers.

A five hour rogaine in Reno on September 13, 2026, over desert trails with creative navigation and unique checkpoints. Restrooms and water are on site; participants should bring hydration, nutrition, gaiters and trekking poles.

Mile Madness is a looped trail endurance event in Auburn, California, held September 18-21, 2026. Timed events run from 3 to 72 hours with a 0.75 mile loop and options including a 100 mile race plus on-site aid and amenities.

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.