Steamboat Lake Sprint Triathlon

Steamboat Lake State Park 61105 RCR 129, Clark, CO, United States

After last summer this event instantly became a personal favorite for our staff, volunteers, and athletes - come find out why!  We couldn't be more excited about this course, this […]

$85 – $135

Canceled Two Brothers Up-and-Down 5K/10K

Courtney-Ryley-Cooper Park 2350 Colorado Blvd, Idaho Springs, CO, United States

Run your slowest 5K, then turn around and run your fastest at the Two Brothers Up-and-Down 10K on August 28th in Idaho Springs. This race climbs 1,800' in 5K and then turns around and goes back down!

Mile High Mile

Fairview High School 1515 Greenbriar Blvd, Boulder, CO, United States

Everyone can run the MILE! The 5th annual Mile High Mile is a high-energy event for runners of all ages and abilities. Big race atmosphere with a big expo, athlete […]

Wild West Relay

Budweiser Tour Center 2351 Busch Dr, Fort Collins, CO, United States

The Wild West Relay covers 200 scenic miles, with 36 legs, beginning in the foothills of beautiful Fort Collins before sending runners deep into the heart of the Rocky Mountains, […]

First Fridays 5K

Festival Park 199 Perry St., Castle Rock, CO, United States

Friday nights in the summer are made for spending time close to home, enjoying the beautiful weather, and unwinding from the long week. Why go anywhere else but Downtown Castle […]

Canceled Rocky Mountain 5K

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

Escape to the mountains for some fresh air! With the Rocky Mountain Half Marathon, 5K, and Elk Double (half marathon + 5K) you can choose your own adventure! The Rocky […]

Dirty Dozen Trail 10K

VIX Ranch Park 627 North Wildhorse Dr, New Castle, CO, United States

The New Castle Rides and Reggae Festival is a celebration of trail running, mountain biking, music and community. Join them for the Dirty Dozen Tail 10K on August 6th.

CMRA/RMRR 5K

deKoevend Park 6315 S. University Blvd., Centennial, CO, United States

Join us for the August Trophy Series race and picnic at deKoevend Park in Centennial.  This year our friends with the Colorado Masters will be joining us again for a […]

Emerald Mountain Epic

Howelson Hill Steamboat Springs, CO, United States

The Emerald Mountain Epic presented by Hard Headed attracts some of the nation's best mountain bike and trail running racers, while still offering incredible opportunities for athletes of all skill […]

Canceled Rocky Mountain Half Marathon

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

Escape to the mountains for some fresh air! With the Rocky Mountain Half Marathon, 5K, and Elk Double (half marathon + 5K) you can choose your own adventure! The Rocky […]

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