All races due to take place in the state of Colorado, United States of America, are placed into this category.

CO Races on a Map

Mt Sneffels Marathon/Half Marathon @ Fellin Park, Ouray, Colorado, United States on 09 August 2014

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Mt Sneffels Marathon/Half Marathon @ Fellin Park, Ouray, Colorado, United States on 09 August 2014 […]

Cheap 5K @ Colorado Springs Flea Market, Colorado Springs, Colorado, United States on 31 August 2014

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Everything you expect from a 5K race … just a little cheaper.

Black Squirrel Trail Half Marathon @ Lory State Park, Bellvue, CO, United States on 06 September 2014

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The Black Squirrel Trail Half Marathon will take place on the wonderful trails of Lory State Park to the northwest of Fort Collins, CO. The trail half marathon course offers a tour of the outer boundaries of Lory State Park, providing breathtaking views to the east of Horsetooth Reservoir, Fort Collins and the Great Plains; […]

Lisa Nelson’s Mustang Stampede 5K Memorial Scholarship Run/Walk @ Ralston Valley High School, 13355 West 80th Avenue, Arvada, United States on 27 September 2014

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Lisa Nelson’s 3rd Annual Mustang Stampede 5K Memorial Scholarship Run/Walk in memory of Lisa Nelson, a beloved faculty member of Ralston Valley High School. Lisa passed away from cervical cancer in March 2013.The purpose of this 5K Run/Walk is to unify the local community in commemoration of her life and raise funds for a college […]

Color Sunday Adventure Challenge @ Powderhorn Mountain Resort, Mesa, CO, United States on 28 September 2014

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Three events in one at 8,200 ft elevation on Color Sunday at Powderhorn Mountain Resort.

10K Thigunawat individual trail race, 3K Team Adventure Event starting at noon, and Kids obstacle course race [free] following completion of team race.

Enjoy live music, food, beverages, fall colors, live band and good company on Powderhorn’s Sun Deck all […]

Octo8k Special Run @ University Village Colorado, Colorado Springs, CO, United States on 04 October 2014

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Special Kids Special Families will hold its 2nd Annual Octo8k/1k Special Run & Wheelchair Derby on Saturday, October 4th starting at 9am at the University Village Colorado at 5280 N Nevada Avenue in Colorado Springs. Runners and walkers of all ages and abilities are welcome to attend! All proceeds from the event will benefit SKSF […]

Blue Sky Trail Marathon @ Horsetooth Mountain Park, Fort Collins, CO, United States on 05 October 2014

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The Blue Sky Marathon takes place on the trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space in Fort Collins, CO. The course takes you on a north-south tour of the easternmost hogbacks of Northern Colorado’s mighty Front Range. With over 3,300 feet of elevation gain and an equal amount of elevation loss, […]

Denver Undy Run/Walk @ City Park, Denver, Colorado, United States on 27 June 2015

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Unleash your briefs and shine the spotlight on colon cancer! Run in your underwear while raising awareness of colon cancer. Instead of race day T-shirts, all registered participants receive a commemorative pair of Undy Run/Walk boxers. It is a family-friendly event open to all ages. There is also a one-mile fun run. More info: 202-628-0123 […]