Platte River Half Marathon
Reynolds Landing 6745 S. Santa Fe Drive, Littleton, CO, United StatesDenver's oldest half marathon runs along the Platte River Trail, covering parts of Littleton and Denver.
Three Creeks Half Marathon
Cherry Creek State Park 4201 S Parker Rd, Aurora, CO, United StatesTravel on foot through some of the most beautiful parts of Cherry Creek State Park, with a total combined elevation gain of only 253 feet spread out over 13.1 miles […]
Spring Fling Prairie Dog Half
Apex Center 13150 W 72nd Ave, Arvada, CO, United StatesWelcome to the SPRING FLING Prairie Dog Half (part of the Prairie Dog Half series)! This spring-time event also features 10k & 5k distances!
Horsetooth Half Marathon
New Belgium Brewing Company 500 Linden Street, Fort Collins, CO, United StatesWelcome to the 52nd running of the Horsetooth Half Marathon. Your race will take you on a scenic point-to-point journey from Hughes Stadium, the former home of the CSU Rams, […]
Dash for Detection 5K
City Park - Denver 1700 N York St, Denver, CO, United StatesBe part of a movement at Denver's City Park for our 5K event dedicated to raising awareness about oral cancer. Oral cancer can affect any area of the mouth and […]
Diabetes Link 5K
VAC Plaza at the University of Colorado 1085 18th Street, Boulder, CO, United StatesJoin us for the CU Boulder Diabetes Link Fundraising 5k Race this April 13th to support diabetes research and raise awareness!
Boulder Track Series #1
Niwot High School 8989 Niwot Road, Niwot, CO, United StatesWe are pleased to offer 3 x Spring track meets, for middle distance and distance runners, that will be conducted similarly to the BMC (British Milers Club) meets. All meets […]
Rattler Trail Race
Palmer Park 3343 Paseo Rd, Colorado Springs, CO, United StatesRattler was created to feature one of Colorado Springs' best city parks, Palmer Park. Runners will enjoy views of the city and Pikes Peak from the sandstone bluffs, while running […]
All-Out Beat the Heat
Church Ranch Office Park 10170 Church Ranch Wy, Westminster, CO, United StatesOne of Colorado's favorite trails meets one of its most glorious parks at our 11th annual Beat the Heat! As courses wind southwest along Big Dry Creek Trail, the remarkable […]
Great Western Trail Race
Severance Community Park 100 Waterfowl Way, Severance, CO, United StatesThe Great Western Trail is a wide unpaved trail located in rural Weld County in Northern Colorado. The trail connects to the Windsor Trail system on the northeast edge of […]
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