Trail Run At Sly Park - Fall

The Sunset & Cider Trail Races take place on September 27, 2025, in Auburn, California. The start and finish are at Ponderosa Cider Co, 102 Gum Lane, near Auburn Overlook Park. The event is presented by BAD LUCK RUN CLUB and is set on trails along the American River Canyon. 50K - two out-and-..

Set in Auburn, California, just off Highway 80 in Gold Country, the Auburn Half Marathon is a trail-running event offering three distances: a half marathon, 12K, and 5K. Runners depart from Overlook Park, head toward Robie Point, cross No Hands Bridge, climb toward Cool, and loop back to finish at O..

Euchre Bar Massacre is an ultramarathon near Foresthill, California, offering 25- and 50-mile fatass-style routes along the North Fork of the American River. The rugged course ladders about 10,000 feet of climbing for the 25-mile option and roughly 20,000 feet for the 50-mile, with substantial bushw..

California Gold Rush Trail Run - Fall, Oct 18, 2025, is set in Marshall Gold Discovery State Historic Park in Coloma, CA, about 40 miles from Sacramento. The event offers Kids Run (1 mile) plus 5K, 10K, 15K, and half-marathon distances, all within the historic site that sparked the gold rush of 1848..

Heart of Cool Trail Run is held in Cool, California (860 Cave Valley Rd, Cool, CA 95614) on Sunday, October 19, 2025. The event offers three trail distances: 5k Trail Run/Walk, 10k Run/Walk, and Trail Half Marathon. The course winds through premier Sierra Foothills trails around Cool, sharing the sa..

The Rubicon is a very difficult, remote on- and off-trail foot race set in the backcountry of the northwestern Sierra Nevada, near Oxbow Reservoir, California. It offers three route options: The Requisite (15+ miles, about 6,700 ft of gain, 3 hill climbs and 2 water crossings); The Resonant (30+ mil..