Event details subject to change. Please confirm all information via event website.
Erin Go Braugh 7.77K
Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United StatesJoin us for the annual Erin Go Bragh 7.77k! This is THE LUCKIEST race on earth! There may not be a real pot of gold at the finish line of this happy-go-lucky fun run, but there WILL be UNLIMITED Lucky Charms, some lucky Contests, a Dance Party, and more! Woot Woot!
5K for St. Patrick’s Day
Acacia Park 115 E Platte Ave, Colorado Springs, CO, United StatesJoin us for the 40th annual 5k for St. Patrick’s Day! Back again in the downtown area, it’s the flattest 5k in Colorado Springs! Wear your kilts and your super green tech shirt! Bring the shamrocks and your sneakers.
ShamROCK Stampede
Douglas County Event Center 500 Fairgrounds Drive, Castle Rock, CO, United StatesShamROCK Stampede’s mission is to elevate the celebration of St. Paddy’s Day with a family-friendly Walk/Run and Irish-themed festival to increase awareness and raise funds for organizations that help our veterans, first responders, and others break free from PTSD and mental illness. You are CHANGING LIVES when you register for the ShamROCK Stampede. Whether you […]
Krueger Family Shamrock Shuffle
Vail Golf Club 1778 Vail Valley Drive, Vail, CO, United StatesThe annual Vail Recreation District Krueger Family Shamrock Shuffle short and long races and the kids' fun run will celebrate all things green in the spirit of St. Patrick’s Day! Taking place on the Vail Nordic Center trails, the event includes two race categories - snowshoes and running (with or without traction devices). The race […]
COPS 90 Minute Race
Colorado State Patrol Track 2054 Quaker Street, Golden, CO, United StatesThe Colorado Outdoor Pace Series ("C.O.P.S.") is a unique set of races presented by Golden Mountain Runners and Golden Endurance. Race Dates January 7, 2026 - 5K January 21, 2026 - 45 Minute Timed Race February 4, 2026 - 10K February 18, 2026 - 60 Minute Timed Race March 4, 2026 - 15K March 18, […]
Canyonlands Half Marathon
Scenic HWY 128 along Colorado River 36 S 100 E, Moab, UT, United StatesThe 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 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 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!
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 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 […]
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