Fort Collins 2025 Marathons

The Colorado Marathon takes runners on a scenic 26.2-mile descent from Steven’s Gulch through the picturesque Poudre Canyon, dropping 1,200 feet to the vibrant streets of Downtown Fort Collins. Known for its breathtaking mountain vistas and high Boston qualification rate, this race combines natural beauty with the thrill of setting personal records, making it an unforgettable experience for every participant.

The Fall Equinox Marathon in Fort Collins, Colorado, features a breathtaking downhill course that starts at the Mishawaka Amphitheater and winds through the vibrant autumn landscapes of the Poudre River Canyon. With its dramatic elevation drop and intimate field capped at 300 runners, this marathon offers a perfect blend of challenge and serene beauty, culminating in a lively finish line celebration with local food, drinks, and music.

The Blue Sky Trail Marathon in Fort Collins, Colorado, presents a 26.2-mile journey through the breathtaking landscapes of Horsetooth Mountain Park and Devil's Backbone, featuring a challenging 3,500 feet of elevation gain and 90% singletrack terrain. With a nine-hour cut-off time, this marathon invites both seasoned and novice trail runners to experience Northern Colorado's natural beauty, culminating in a vibrant post-race celebration with a BBQ and sponsor giveaways.