Event details subject to change. Please confirm all information via event website.

  • Canyonlands Half Marathon

    Scenic HWY 128 along Colorado River 36 S 100 E, Moab, UT, United States

    The first Canyonlands Half Marathon was run on May 1, 1976 had just 22 finishers, including a dog. Today, thousands of runners come together in March to enjoy the scenic red rock formations and winding Colorado River that Moab has come to be known for! Running parallel to Arches National Park and the Mighty Colorado, runners […]

  • Kingfisher Half Marathon

    Chatfield State Park 11500 N Roxborough Park Road, Littleton, CO, United States

    We 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 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 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 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 and fast course in the historic Central Park neighborhood!

  • Behind the Rocks Ultra

    Behind the Rocks Trailhead Moab, UT, United States

    Behind 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 standing Navajo Sandstone domes and fins can be seen from many places along the course. This course traverses some remote trails, and give you the […]

  • Polar Plunge 5K

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

    Are 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 & 5K promises non-stop excitement and heart-pumping fun - all while supporting Special Olympics Colorado. Take the plunge into a chilly pool, dash through the 5K, or double […]

  • Cryogenic Cannibal Chase

    Stanley Park 380 Community Dr, Estes Park, CO, United States

    Planning 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 FDGD where you'll score a sick beanie and a hearty breakfast bagel from Village Bagels before the festival kicks off.

  • Equinox Half Marathon

    Sparge Brewing 3999 GW Bush Avenue Unit 101, Wellington, CO, United States

    Both races start & finish at Sparge Brewing in Wellington 3999 GW Bush Unit 101, Wellington, CO 80549

  • Tortiose & Hare Race Series

    Tortoise & Hare 12K

    Cottonwood Glen Park 3074 S Overland Trail, Fort Collins, CO, United States

    The Tortoise & Hare (T&H) is a low-key “handicap” series of seven races that are run monthly from October to April, typically on the first or second Sunday of the month. Computer-predicted times allow runners of all levels to compete equally. Runners start at staggered intervals with faster runners (Hares) trying to catch slower runners […]

  • Splash & Dash III

    Louisville Recreation and Senior Center 900 Via Appia Way, Louisville, CO, United States

    Join us for a Kids’ Splash & Dash Series this winter at the Louisville Rec Center! Get ready for a fun, energetic winter racing experience! Each event features an indoor swim in the Louisville Rec Center pool, followed by a run on the outdoor trail. In the case of bad weather, the run will move […]

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