Trail Running calendar near Sacramento 2026-2027

Join the Heart of Cool Trail Run in Cool, California on Oct 17, 2026 for 5k, 10k or trail half marathon options. Family friendly and charity focused, proceeds benefit local youth programs and a heart disease camp scholarship.

Experience the Sonoma Fall Classic in Healdsburg wine country where ultrarunning tradition meets festival fun. Choose marathon, Lake Sonoma 50 Mile, ultramarathon and relay options and celebrate trails, community and harvest.

Tackle The Rubicon, a rugged self supported backcountry run around Oxbow Reservoir in the northwestern Sierra Nevada on Oct 24, 2026. Choose from tough 15, 30 or 43 mile routes with massive climbs and water crossings.

Celebrate the 25th Rio Del Lago with a rugged 100 mile loop around Folsom Lake or a spirited 50K on scenic single track and river trails. Expect big climbs, iconic views and well stocked aid stations.

Join the festive Krampus Cross Country in San Francisco with live and virtual options Dec 4 to 7 and the in person race on Dec 6. Pick 5K, 10K or the Naughty Nine Miler and take home a woodallion, tee and beer sampler stein.