Event details subject to change. Please confirm all information via event website.
M1LE Nation Challenge
One mile. One nation. Your best time. We’re bringing runners together for a nationwide mile race, and there are two ways to cross the finish line. Participate from your favorite local path by submitting your time between May 30 and June 7, or feel the energy of the crowd by joining our live race at […]
Adidas Terrex Pepi’s Face Off
Vail Village 292 E Meadow Dr, Vail, CO, United StatesGet ready for the thrill of a lifetime with the ultimate adrenaline rush: the Showstopper! This event is not for the faint of heart—it’s a wild test of brainpower, brawn, and sheer willpower. Gear up to conquer Pepi’s Face, the iconic slope named after Vail’s legendary Pepi Gramshammer. Over a period of 30 minutes, you’ll tackle this epic run […]
Berthoud Day 5K
The Berthoud Day 5K is a fun, family-friendly race that kicks off the Berthoud Day Parade with energy, connection, and hometown pride. Open to runners, walkers, families, strollers, and even leashed dogs, this inclusive event invites the whole community to come together in support of community health.
Barr Lake Trail Race
The Barr Lake Trail Race returns to Brighton, CO, offering beautiful lake views and a prime opportunity for new PRs. Now in its sixth year, this event features our flattest and fastest course, with less than 100 feet of elevation gain per loop. Starting and finishing at the Nature Center, runners will enjoy a scenic […]
All-Out Summer Breeze
From the heart of the West Metro area and the Stenger Soccer Complex, All-Out brings you our 11th annual Summer Breeze! Along with its Endless Series sidekick in January Polar Prowl, these 5K, 10K and half marathon courses will follow Van Bibber Creek Trail west through Arvada's open spaces with spectacular views of the countryside […]
Climb 4 Change
Climb4Change is a unique racing event that offers various timed races on the 200-step Challenge Hill at Philip S. Miller Park. Participants ascend 178 feet at least once in any one of the four climb challenges. There is also a non-timed fun run / walk that families can enjoy together on their own anywhere in […]
Ironman 70.3
Boulder has been a household name in the world of triathlon for decades. This endurance community has built a reputation among triathletes for training hard, racing fast and enjoying every mile of scenic beauty along the way. But what makes this town really special, are all the adventures that await you after race day. Sunrise […]
Treat Trot
5k/10k/15k registration includes a custom bib, designer shirt, and a custom finisher medal! 1 Mile registration is untimed and includes a custom bib, designer shirt, and a custom finisher medal! The kid's dash is a fun, untimed dash for our kiddos ages 10 and under. Registration includes a mini bib, youth-sized shirt, and a specifically […]
Miles for Melanoma 5K
The Melanoma Research Foundation would like to welcome you to the 2022 Denver Miles for Melanoma 5K! This annual signature event will bring together local melanoma patients, survivors, care partners, supporters and healthcare heroes to fundraise and help continue the fight against melanoma.
Stepping Stone 5K
Stepping Stone Support Center and Trailhead Community have come together to present this amazing event to benefit adults with developmental disabilities. Complete two laps of Johnson Reservoir at Clement Park for the 5K or take the cutoff after one lap for the untimed Shortcut.
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