Bridge Runner Ultra

Centennial Park - Cañon City Cañon City, CO, United States

This single loop 50k starts in the historic mining town of Canon City, Colorado. Runners' journeys will begin along the beautiful Arkansas River and travel through the historic granite blasted tunnels along Tunnel Drive. From here, runners will begin their steep climb to the highest point of the course at 7,109’ feet. At the top […]

Colorado 24 Hour Run

Colorado Youth Outdoors 4927 County Rd 36, Fort Collins, CO, United States

Welcome to the Colorado 24 Hour Run! We aim to provide a fun, welcoming race experience that allows everyone to find a challenge, no matter where you’re at on your running journey. Want to see how far you can go in 6, 12 or 24 hours? Or achieve a new furthest distance? What about setting […]

Colleen De Reuck XC Classic

Harlow Platts Community Park 1360 Gillaspie Drive, Boulder, CO, United States

The Colleen De Reuck Cross Country Classic is a XC meet honoring one of the world's greatest ever distance athletes and Boulder local, Colleen De Reuck. Every year we will celebrate Colleen’s career, her devotion to the sport of running, and promotion of health and fitness, while also acknowledging a different Boulder Olympian every year.

City Park 5K

City Park - Denver 1700 N York St, Denver, CO, United States

Get ready for the winter season while enjoying a race with your friends at the City Park 5k! Participants in both distances will receive a long-sleeved event t shirt. 5k finishers earn a MEDAL! November is Worldwide Pancreatic Cancer Awareness month - let's kick off the month by running for a cause! Consider adding a […]

Trails 5K

Piney Creek Hollow Park 6410 S Tower Rd, Aurora, CO, United States

Our mission is to bring awareness and support the struggles of mental health of youth, teens, adults and families in our community.  Many battles are related to mental health including bullying, depression, anxiety, addiction, identity, inclusion, trauma, abuse. Trails and Arapahoe Park & Recreation District are partnering with Aurora Youth Options, Aurora Mental Health & […]

Sole Mates 5K

Shoes and Brews 63 S. Pratt Parkway, Unit B, Longmont, CO, United States

Shoes & Brews along with our "Sole Mates" Left Hand Brewing and Hoka present the 9th edition of our fall race series.  With a focus on community, running, beer and high fives we put this event on as a celebration.  A little backstory on our friends and Sole Mates - Left Hand Brewing ..... When Shoes […]

Girls on the Run 5K

America the Beautiful Park Cimino Dr, Colorado Springs, CO, United States

Each season comes to an end with a joyful and fun non-competitive 5K (3.1 miles). This culmination gives girls a tangible sense of accomplishment and the confidence to be the author of her story. So grab your cheer gear, noisemakers and spirit fingers and join us for this celebratory event!

Five Alarm 5K

Bierstadt Lagerhaus 2875 Blake Street, Denver, CO, United States

We are the Colorado Brewery Running Series and we run for beer! Join us for our Five Alarm 5k & Chili Cook-Off at Bierstadt Lagerhaus in Denver on Saturday, November 2nd @ for a 5k-ish course that starts and ends at this awesome brewery! Weave through the surrounding area at whatever pace you like, no matter what, […]

Rim Rock Marathon

Colorado National Monument 2328 Monument Road, Grand Junction, CO, United States

Join the Grand Junction Sports Commission for a monumental run on Sunday, November 5th, 2023! Rim Rock is the only marathon and half marathon that runs through the Colorado National Monument in beautiful Fruita, Colorado. The race course gives runners amazing views of the Grand Valley and finishes at the Fruita Community Center.

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