Stroke and Stride II

Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

The Boulder Stroke & Stride enters its 21st season in 2022, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, […]

GoPro Mountain Games – Rocky Dog Trail Run

Vail Village 292 E Meadow Dr, Vail, CO, United States

Get in on the action of the GoPro Mountain Games and bring your dog along for the ride! This 5K fun run/walk on and around Vail Mountain is for our […]

GoPro Mountain Games – Apres 5K

Vail Village 292 E Meadow Dr, Vail, CO, United States

Kickoff your GoPro Mountain Games weekend with an evening jaunt on the trails of Vail Mountain. If you’re the kind of person who gets antsy watching the action from the […]

Roost Rebellion Relays

Washington Park - Denver 701 S Franklin St, Denver, CO, United States

Welcome to the Roost Rebellion Relays! Assemble your fastest 4 x 1 mile relay team to race in Washington Park. Each team needs to be co-ed with at least 2 […]

All-Out Summer Breeze – 5K, 10K, and Half Marathon

Stenger Soccer Complex 11200 W 58th Ave, Arvada, CO, United States

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 […]

Climb 4 Change

Phillip S. Miller Park 1375 West Plum Creek Pkwy, Castle Rock, CO, United States

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 […]

$25.00 – $45.00

Tri for the Sun

Sopris Park Carbondale, CO, United States

Join the Town of Carbondale Parks and Rec Department and Sunlight Mountain Resort for the inaugural Tri for the Sun sprint triathlon. The race runs from the John M. Fleet Carbondale Pool to Sunlight Mountain Resort on June 12th.

Ironman 70.3

Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

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 […]

Steamworks Half Marathon

Durango Sports Club Durango, CO, United States

Point-to-point half marathon on paved road.  Starting at Baker's Bridge, 13 miles north of town and finishing at the Durango Sports Club.  Pool party and post race beer/food at the […]

Unicorn 5K

Carpenter Park 3498 E 112th Ave, Thornton, CO, United States

Ready to get off the sofa and gallop around Thornton with some friends?  Yeah, you are!  Come frolic with us at the Unicorn Runner 5k in Thornton to kick off […]

CMRA Elk Meadow Trail Run

Elk Meadow Park 2855 Bergen Peak Drive, Evergreen, CO, United States

Come up to scenic Elk Meadow Open Space for an exhilarating 5.1 mile trail run. This is a timed event that starts and ends near the Lewis Ridge Trail Head.

Spanish Peaks 5K/10K

Capps-Building 115 W Francisco St, La Veta, CO, United States

Spend an hour Saturday morning on a 5K or 10K run through La Veta, located in the Cuchara Valley at the base of the Spanish Peaks! The Spanish Peaks 5K/10K […]

$30 – $35

Rosie Run 5K

North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United States

Come one come all to the 6th Annual Rosie Run 5K and official kick-off for PrideFest 2023! This community event is hosted by The National Association of Women in Construction […]