Trail Apples 4 Mile
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.
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
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 with its Endless Series sidekick in October… Kooky-Spooky, these 5K, 10K & Half Marathon courses will hug the shores of Arvada's Blunn Reservoir via the Ralston Creek Trail […]
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 and fast course in the historic Central Park neighborhood!
Polar Plunge 5K
Aurora Reservoir 5800 S Powhaton Rd, Aurora, CO, United StatesThe 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 Union Aurora Polar Plunge presented by Murdoch's Ranch & Home Supply on Saturday, April 6 at Aurora Reservoir (5800 S. Powhaton Rd., Aurora, CO)! Event […]
RMRR Spring Marathon Training Series #1
Platte River Trailhead Park Colorado Blvd and E 88th Ave, Thornton, CO, United StatesThese Marathon training races are geared towards people training for spring marathons. They are supported runs with aid stations and are timed and scored. There are both 10 mile and 20-mile distances for people who are training for either a half marathon or a full marathon. Come and join us for a fun, competitive training […]
Run the Ranch Trail Runs
Sylvan Dale Guest Ranch 2939 N CR 31D, Loveland, CO, United StatesFor 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 choose from. Come run on beautiful trails on private land at Sylvan Dale Guest Ranch. The views alone are to die for! There are different […]
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 future scholarships, and raise awareness for mental health & suicide prevention.
5K Raptor Run
Barr Lake State Park 13401 Piccadilly Road, Brighton, CO, United StatesPlease come run/walk, being your dog too if you want at Barr Lake State Park Have fun! Bring a friend. Sign up on Running Guru or go to Friends of Barr Lake website.
PPRR Nielson Challenge
North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United StatesRace Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is calculated using an algorithm developed by Bob Royse, and it's geared to favor a beginning runner and the slower runners. Click here for an explanation of the […]
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