Grass Valley
Trail Running Calendar near Grass Valley 2026-2027
Explore the top trail runs near Grass Valley for 2026-2027! We've gathered 28 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
Trail races at Darrington Trail Head in Folsom Lake offering 5K, 10K, 18M and 36M on rocky single track with aid stations and marked routes.
A community Thanksgiving run and walk at Hooper Stadium offering 5K, 10K and a kids race with tee shirts for early registrants and age group awards.
December 2026
Trail event in Cool CA offering 50K and Half Marathon with live tracking, course maps, timed cutoffs, and finisher medals.
December 19, 2026 trail races at Magnolia Ranch Trail Head near Pilot Hill CA offering distances from 5K to 50K on dirt single track with rolling hills and scenic views.
January 2027
New Year 5K and 10K run and walk starting at Chicago Park School in Grass Valley, with proceeds supporting local community organizations.
February 2027
March 2027
Experience the rugged beauty of the Sierra Nevada foothills on this 50K out and back course featuring 6,500 feet of elevation gain along the historic Western States Trail.
Trail ultras around Folsom Lake with 26 mile, 50K, 50M and 100K options, marked single-track, multiple aid stations, drop bags and buckle awards for longer distances.
Trail races of 5K, 10K, half marathon and 35K on the Western States trail near Auburn, CA, featuring steep climbs, technical single track, cupless aid stations, and chip timing.
April 2027
A women-only 10 km trail and road event in Auburn, California on April 17, 2027, featuring two aid stations, age-group awards, packet pick-up, and eligibility for select Europe trips.
Trail races in Auburn, California offering 25K, 50K, 100K and 100M courses on sections of the Western States Trail with UTMB and Western States qualification.
May 2027
A backyard ultra on a private farm near Georgetown, CA where runners complete a 4.167 mile loop every hour until one runner remains.