Colorado Marathon

Washington Park - Fort Collins 301 Maple St, Fort Collins, CO, United States

Marathon, Half Marathon, 10k, 5k and 3-Person Marathon Relay.  Marathon, Marathon Relay and Half Marathon runners get to run down the scenic, downhill Poudre Canyon to the finish in Old Town, Fort Collins, where we have live music and a big post-race party featuring beer from Odell Brewing Company.

Event Series RMRR Trophy Series

RMRR Central Park 5M/5K

Stapleton Central Park 8801 Martin Luther King Jr Blvd, Denver, CO, United States

Everyone – slow, fast, or in-between –  can win  at RMRR Trophy Series races.  With our handicap scoring system, we predict YOUR finish time based on recent running results, giving you a great goal to shoot for whatever your speed.  Just show up an hour before the start and we’ll get you ready for your race.  It’s an […]

Moose Mudder

Altitude Elementary School 27300 East Southshore Drive, Aurora, CO, United States

Please join us for the Annual Moose Mudder! This is a community event that will consist of an untimed 1k fun walk/run and a timed 5k followed by an optional muddy obstacle course. Get your best time, run for fun, walk with a group, form a stroller brigade, or line the streets to cheer everyone […]

Fairmount 5K

Fairmount Park Golden, CO, United States

The Fairmount 5k has been an essential fundraiser for almost 30 years at Fairmount Park. This year, following the 5k run, walk and fun run we invite you to stay and visit with your friends while enjoying some music, a pancake breakfast and dessert in the park. All students, staff, friends, family and the Fairmount […]

Best Buddies Friendship Walk

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

The Best Buddies Friendship Walk is the leading event in the country supporting inclusion for people with intellectual and developmental disabilities (IDD). Join 50,000 participants at 70+ Walks across the globe to support the Best Buddies programs in schools, workplaces, and communities. You’ll be making the world more welcoming to people with IDD — one […]

Quad Rock Trail Race

Lory State Park 708 Lodgepole Dr, Bellvue, CO, United States

Welcome to the Quad Rock 50 and 25 mile trail races, an event put on by trail runners for trail runners. Taking place on the trails and hills west of Fort Collins in Lory State Park and Horsetooth Mountain Park, the Quad Rock 25/50 will take you on a tour of the Fort Collins skyline, […]

$95 – $145

Mountain Ridge Trail Race

Mountain Ridge Middle School 10590 Mountain Vista Ridge, Highlands Ranch, CO, United States

Mountain Ridge takes place near Highlands Ranch primarily on the Douglas County East-West Regional Trail. This gently rolling course will keep the Heart Rate pumping while offering some of the best views in the front range. The Mountain Ridge Trail Race will once again start and finish from Mountain Ridge Middle School, and offer 100% […]

Valkyrie Women’s Trail Race

Cheyenne Mountain State Park 410 JL Ranch Heights, Colorado Springs, CO, United States

Valkyrie Trail Race was created as a women only trail/ultra event,  featuring Colorado Spring’s, Cheyenne Mountain State Park.  The race offers amazing views of the city and a diverse eco-system. We have several different distances available, so everyone in your running group can participate! 50K/Marathon/30K/Half Marathon/8 Mile/4 Mile

CMRA Tucker Lake 8K

Colorado Tap House - Arvada 14982 West 69th Avenue, Arvada, CO, United States

The race will start near the Colorado Tap House parking lot and head west along the Ralston Creek Trail toward Tucker Lake. Once reaching Tucker Lake runners will loop around the lake counterclockwise and then return on the trail back to the start.

Carbon Valley Half Marathon

Firestone Regional Sports Complax 6850 Tilbury Avenue, Firestone, CO, United States

Colorado at its Best – the Carbon Valley Half Marathon will showcase the beauty & diversity of Colorado’s best kept secret.  Small town charm with Big City services, nestled between Denver & Fort Collins, Firestone & Frederick host these 13.1 mile & 5K adventures.  Runners will tread upon Mining Town history via manicured trail systems, […]

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