Trail Running calendar near Louisville 2025-2026

Ned Ned Run in Nederland Colorado blends scenic trail and road running through the foothills, offering a half marathon, 10K and fun 5K for all abilities. Family friendly and costumes encouraged, with leashed dogs welcome in the 5K.

High alpine trail festival at YMCA of the Rockies in Granby, CO offering 5K to 50K races, plus Moosehead and Baby Moose challenge options. Expect dirt singletrack, big climbs and sweeping mountain views for all abilities.

Race to the summit of Pikes Peak on the historic Barr Trail in Manitou Springs, Colorado. Choose the full marathon up and down the 14,115 foot peak or the uphill Ascent for an epic alpine challenge and unforgettable views.

Race to the summit of Pikes Peak on the historic Barr Trail in Manitou Springs, Colorado. Choose the full marathon up and down the 14,115 foot peak or the uphill Ascent for an epic alpine challenge and unforgettable views.

Experience the Red Feather Trail Jamboree at Ben Delatour Scout Ranch with 50 mile, 50K and half marathon options across high elevation singletrack and technical mountain trails. Expect big views, wildlife and well stocked aid stations.

Push your limits in a community driven 24 hour endurance run on the scenic Palmer Divide near Palmer Lake, CO on Sept 26, 2026. Loop the 0.82 mile course, chase distance awards and support local parks with every entry.

Explore seldom used single track on the Front Range at the 13th annual Indian Creek Trail Runs, with 5, 15, 55k and 50 Mile options. Scenic red rock views, varied terrain and a small field make for an unforgettable fall challenge.