Trail Running calendar near Rocklin 2025-2026

Run scenic single track along the American River Canyon in Auburn, CA with 50K, half marathon, or 5 mile routes. Celebrate afterward at Ponderosa Cider Co with a commemorative cider glass and post race pours.

Euchre Bar Massacre is a fatass style adventure run along the Wild and Scenic North Fork of the American River. Choose 25 or 50 miles, expect remote support, big climbing and rugged riverside trails for a raw endurance challenge.

Join the inaugural Champion Mine Trail Race in Nevada City for a scenic half marathon or 5K through pines, along Deer Creek, and across a historic swinging bridge. Enjoy stocked aid stations and a locally made finisher medal.

Join the Heart of Cool Trail Run in Cool CA for 5k, 10k or trail half marathon on scenic singletrack. Proceeds benefit local youth programs and a scholarship for a child with heart disease; enjoy a post race pancake breakfast.

Scenic Upper Bidwell Park hosts a half marathon with a tough early climb and a downhill finish, plus a 4 mile endurance loop with repeating laps. Aid stations, creek crossings and community fundraising add local flavor.

Join the 25th Rio 100 and 5th Rio 50K at Beals Point in Granite Bay on November 7 and 8, 2026. Scenic Folsom Lake and Johnny Cash Trail routes, strong on course support, and festive food and beer create an unforgettable endurance weekend.