Event details subject to change. Please confirm all information via event website.
Kingfisher Half Marathon
Chatfield State Park 11500 N Roxborough Park Road, Littleton, CO, United StatesWe host one race per month from November to March. All races are at Chatfield State Park and start at 9:00 am on Saturday mornings. Check-in starts at 8:15 am.
All-Out Spring Fever
North Area Athletic Complex 19500 West 64th Pkwy, Arvada, CO, United StatesFrom 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 […]
Central Park 5K
Stapleton Central Park 8801 Martin Luther King Jr Blvd, Denver, CO, United StatesIs it spring or still winter? We'll know when we run the Central Park 5k at the end of March! Celebrate the end of winter with us on this flat […]
Behind the Rocks Ultra
Behind the Rocks Trailhead Moab, UT, United StatesBehind the Rocks Ultra starts and finishes at the Behind the Rocks Trail, along the border of the Behind the Rocks Wilderness Study Area. Moab's last hidden gem; its tall […]
Polar Plunge 5K
Aurora Reservoir 5800 S Powhaton Rd, Aurora, CO, United StatesAre you ready for the COOLEST event of the season! Whether you're a daring plunger, a speedy 5K runner/walker, or a thrill-seeker ready to do BOTH, the Polar Plunge & […]
All Hands on Deck Pirates 5K
North Creek Complex 5725 Mark Dabling Blvd, Colorado Springs, CO, United StatesThis fun packed 5k is Presented by Give It Forward. Bring your entire family. It's All about community. Every child deserves a great start to the school year—but not every […]
Cryogenic Cannibal Chase
Stanley Park 380 Community Dr, Estes Park, CO, United StatesPlanning on some degenerate behavior at Frozen Dead Guy Days? Start your morning off right with an 8k ripper around Lake Estes. This race is the morning pre game for […]
Equinox Half Marathon
Sparge Brewing 3999 GW Bush Avenue Unit 101, Wellington, CO, United StatesBoth races start & finish at Sparge Brewing in Wellington 3999 GW Bush Unit 101, Wellington, CO 80549
Cayson Pearson Memorial 5K
Green Mountain High School 13175 West Green Mountain Dr, Lakewood, CO, United StatesThis annual fun run/walk (& knockout tournament if you also love basketball) is held each year to honor the memory of Cayson Pearson, award scholarships, raise funds for additional and […]
Three Creeks Half Marathon
Cherry Creek State Park 4201 S Parker Rd, Aurora, CO, United StatesRacing Underground brings you an amazing half marathon this spring! The Three Creeks Half Marathon features a half marathon course that is flat, fast and scenic! Travel on foot through […]
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