Half Marathon

The Run the Rockies Trail 5k, 10k, and half marathon will lead runners through the Frisco Peninsula trails with breathtaking views of Dillon Reservoir and the Ten Mile Range. This […]

Started in 2004 as a fall companion to the popular Canyonlands Half Marathon, Arches Half Marathon has hosted many runners on the road course. In 2021, Arches became a trail […]

This is not your run of the mill ‘Turkey Trot.’  This is the 10k Turkey TREK!  Are you up for the challenge?  Run a steady uphill climb to the summit […]

Celebrate the last blast of summer at the Labor Day Half Marathon. Sweat your socks off and let summer have its last hooray at Parker's Salisbury Park just a few miles southeast of Denver. There's a distance to meet every taste with a half marathon 10K and 5K.

Come join over 21,000 runners from all over the world in the Mile High City! 2 Days, 8 Races means a distance for everyone! 26.2 Marathon through the stadium, fire station, […]

Embark on your journey by winding through Old Town Nederland, the epitome of Colorado mountain towns. The Half Marathon, 10K and 5K will take you on dirt roads and single […]

Part of the Colorado Mountain Half + Series, Georgetown to Idaho Springs Half Marathon is a Colorado Runner’s Must-Do. This iconic Half Marathon is one of the most pleasurable races in the […]

The Mt. Sneffels Half-Marathon and Kids Fun Run began 25 years ago. In 2021, the 10 K was added. The Race is the foundation’s major fundraising event of the year.  It […]

The Estes Park Marathon is America’s most scenic marathon course! In the marathon, runners enjoy our famous road course that is surrounded by glorious 360 degree views of Rocky Mountain […]

Marathon, Half Marathon, 10k, 5k and 3-Person Marathon Relay.  Marathon, Marathon Relay and Half Marathon runners get to run down the scenic, downhill Poudre Canyon to the finish in Old […]