5K

The Cookie Chase is Denver’s race that ends with cookies. Runners and walkers can take advantage of a flat and fast course, and then enjoy fresh cookies at the finish. […]

The Donut Dash 5K is Denver’s race that ends with doughnuts. Runners and walkers can take advantage of a flat and fast course, and then enjoy fresh doughnuts at the finish. Our mission is to bring people together to have a fun, fit morning.

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.

The Pumpkin Pie 5K/10K is Denver’s race that ends with a huge slice of pie. Start your holiday season off right with this family friendly run. Runners and walkers can […]

5k Run/Walk – 9:00 am Kid’s 1-Mile – 10:00 am Calling all Ugly Sweaters… We want to see your most hideous, outrageous, bulky and unforgettable UGLY sweater running the Sweaty […]

The Move Forward 5K/10K is an event created by the Doctor of Physical Therapy students at Regis University as a community outreach project. The proceeds from the event will benefit Canine Companions […]

Join us for Boulder’s Thanksgiving Day 5K. The Alpine Bank Boulder Thanksgiving Day 5K and Kids 1K Fun Run at Flatiron Park – 2211 Central Ave, Boulder, CO 80301, is […]

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 […]

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, […]

The Hayden Cog Run is one of the longest consecutively run races of the Steamboat Springs Running Series and in the state of Colorado! This is a Routt County Classic […]