All-Out Spring Fever

North Area Athletic Complex 19500 West 64th Pkwy, Arvada, CO, United States

From 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 States

Is 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 […]

Polar Plunge 5K

Aurora Reservoir 5800 S Powhaton Rd, Aurora, CO, United States

The 2024 Polar Plunge season is fast approaching, so get ready to RUN, PLUNGE, OR BOTH to raise funds and awareness for Special Olympics Colorado! Don't miss the Westerra Credit […]

Run the Ranch Trail Runs

Sylvan Dale Guest Ranch 2939 N CR 31D, Loveland, CO, United States

For the 5th year running and benefiting the Heart J organization, we are bringing back an amazing and beautiful trail race to Loveland, CO. You will have 6 distances to […]

Mav Day 5K

Foster Field House - CMU 905 Mesa Ave, Grand Junction, CO, United States

Lace up your sneakers and get ready for an epic, one-of-a-kind 5k experience! Join us for our 2nd annual 5k that supports student scholarships. Every penny raised will be donated to […]

Elevate Kids 5K/10K

Las Colonias Park Riverside parkway, Grand Junction, CO, United States

This event is for all ages and abilities, whether you're in it to win or out for a fun Sunday morning walk. Come out and take a step to help […]

$28.74 – $60.83

Desert RATS Trail Running Festival

Mack Trailhead on Kokopelli Trail 1022 Old US Hwy 6 & 50, Mack, CO, United States

Desert Rats Trail Running Festival by UTMB has four unique distances, three days of racing and indescribable views of the desert. There is something for every runner. Enjoy views of […]

Fight for Air Climb

Coors Field 2001 Blake St, Denver, CO, United States

The Premier Stair-Climbing Event in Denver Where we climb: Coors Field. 1998 stairs to the top where you’ll see the world and yourself from a whole different perspective. How we […]

$35 – $50

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