Running Races in Longmont, CO

Longmont, Colorado has 6 upcoming running races, from 5Ks to marathons. Browse by vibe, difficulty, and community fit to find the right race for you.

6 upcoming races listed

A focused track meet for middle and distance runners, featuring heats based on similar times at Niwot High School.

Course · Rolling · Timed race

Run a scenic 5K, then celebrate with friends at a lively post-race Brew Fest featuring beer, cider, music, and good times.

Course · Rolling · Timed race

Longmont's inclusive Half Marathon and 5k welcomes all abilities to experience a rolling course in the cooler month of May.

Course · Rolling · Walkers welcome

A competitive track meet honoring Frank Shorter, featuring heats for middle and long-distance runners at Niwot High School.

Course · Rolling · Timed race

Celebrate freedom and greatness this July 4th by running as your favorite American hero in Longmont, CO.

Course · Rolling · Family-oriented

Run a scenic 3.5-mile loop around Lake McIntosh with mountain views, farmlands, and wildlife. Bring your dog and the kids for a day of fun.

Course · Road · Hilly · Family-oriented

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