Trail Running calendar near Bellvue 2025-2026

Join the Wild West Relay, a scenic point to point 200 miles across Colorado from Fort Collins to Steamboat Springs. Run solo or with teams from 1 up to 12 people as you tackle mountain passes, open roads and big western views.

Run the Lory Summer Trail Series in August at scenic Lory State Park with 5k, 10k and 12k options across fast valley and challenging hill routes. Finish with pizza and drinks, grab a free vintage shirt while supplies last, and race for seri..

Run a scenic marathon or half marathon along the Medicine Bow Rail Trail through the Snowy Range, finishing at beautiful Lake Owen. Timed race with aid stations, souvenirs and medals, with proceeds supporting trail upkeep.

High altitude trail running in Fraser, Colorado on August 22, 2026, with a scenic half marathon through dirt roads and trails and a 5K around the rodeo grounds. Proceeds support the Shining Stars Foundation for children with cancer.

Front Range Ultra Dayze invites ultrarunners to a multi day looped trail festival along River's Edge in Loveland, Colorado, offering timed and distance events from 12 hour to 200 mile. Enjoy scenic two mile loops, around the clock aid, camp..

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.