Mammoth Bar Trail Runs

Run through history at the California Gold Rush Trail Run in Coloma's Marshall Gold Discovery State Historic Park, with distances from a kids run to a half marathon on scenic singletrack. Medals for 5K and up and race day sign up.

Event overview The 16th annual Willow Hills XC Open is scheduled for Saturday, October 18, 2025. The event is part of the Pacific Association USATF Cross Country Grand Prix. Races are held at Willow Hill Reservoir Community Park next to Fol..

Run scenic Sierra Foothills trails in Cool California with 5k, 10k and trail half marathon options for every pace. Register by September 30 for a HoC cotton t shirt, support youth programs and enjoy a post race pancake breakfast.

Explore scenic single track around Jenkinson Lake at the Trail Run at Sly Park in Pollock Pines, CA on October 25, 2025. Distances from 5K to 50K offered on shaded pine trails with aid stations and medals for all finishers.

Wise Villa Fall Harvest Run is a 5k chip-timed race/walk staged at Wise Villa Winery in Lincoln, California. The two-loop course starts and finishes at the winery, winding through the property with spectacular views; the route is described..

Remote, rugged and self supported, The Rubicon is a challenging on and off trail group run in the northwestern Sierra Nevada near Oxbow Reservoir. Choose progressive routes into long distances with huge climbing and river crossings and expe..