Half Marathon

Join us for the Adams Half & 5k in September! This race is chip timed. This year's event features both a 5k and 13.1 out and back course from Riverdale Regional Park along the Platte River Trail. Celebrate autumn with us, and join…

This incredibly fast and remarkably beautiful downhill road race takes runners from the forests and canyons of the Rocky Mountains to the foothills of Denver, Colorado. Featuring a perfectly smooth downhill slope and spectacular scenery,…

Get ready for a ROYALly GORGEous experience! Whether you’re tackling the 5K, the 8-mile trail run, or the half marathon trail run, this event offers something truly special. All three races feature the exhilarating opportunity to run across…

The Beulah Challenge, which started in 1996, is a 5K, 10K, and half-marathon run near Beulah, a small southern Colorado community located in the spectacular Beulah Valley nestled in the Wet Mountains. Start and finish for all races is at…

From the base of Table Mountain and Colorado's spectacular foothills, All-Out Multicourse presents our 11th annual Spring Fever from Jefferson County's NAAC Stadium… easily accessible from several nearby highways. Along with its Endless…

From the award winning Apex Center, these 5K, 10K & Half Marathon courses will run west along the 2020 Best of the Best Ralston Creek Trail through Arvada's open spaces and stunning golf course communities, shady, creekside beauty and a…

Do you support life at all stages from conception until natural death? Do you believe every human being should be treated with the utmost dignity and the respect they deserve? Do you want to see a Culture of Life spread in our country and…

Register for Nebraska’s Most Beautiful Race - the Monument Marathon, Half Marathon and 5K on September 24th in Gering, just two hours from Fort Collins. Experience towering natural landmarks, pine-covered hills, rugged badlands, and a rural…

Join us for the New Belgium Half Marathon and 5k on Sunday, October 6, 2024. The course starts and ends at this beautiful Fort Collins, Colorado brewery. The out-and-back course along the Poudre Trail will offer scenic views while running…

Run one of the fastest-growing, top-rated marathons in the country! After nearly tripling in size and selling out last year, Boulderthon has instituted a new 5,000 runner cap and is expected to sell out again this year. Run a 5k, 10k,…