Aug 02, 2025
This is a challenging but scenic run just outside Rocky Mountain National Park. It starts and ends by the lake at the fa...
Jul 04, 2025
A NEW WAY TO START YOUR JULY 4th HOLIDAYJoin us for the 5th Annual ROCK-IT RUN 5k, Half Marathon (Relay Optional), and F...
Jun 28, 2025
Crisp morning air and a summer sunrise in Colorado. YES PLEASE! Join us on the foothills at Lory State Park for a fun &a...
Jun 28, 2025
Simply put, the nation’s toughest marathon. The Life Time Leadville Trail Marathon and Heavy Half presented by La Spor...
Jun 21, 2025
Ready to get off the sofa and gallop around Thornton with some friends? Yeah, you are! Come frolic with us at the Unic...
Jun 15, 2025
It's an annual Fathers Day tradition in Arvada! All are welcome - walkers, joggers and speed demons, too! Swag includes...
Jun 14, 2025
Help raise meningitis awareness & save lives today!...
Jun 01, 2025
The Colorado 13er is THE event where the best parts of trail running and road racing combine to create a truly enjoyable...
May 25, 2025
We have been a family-run racing business since 2014.Our goal: to bring runners/hikers to beautiful trails, on well-mark...
May 17, 2025
Samson was the celebrity elk of the Rockies until he was illegally poached in 1995 on YMCA grounds.Our race runs on Sams...
May 17, 2025
Join Habitat for Humanity of Archuleta County as we celebrate the kickoff of Year 4 of our plan to build 15 homes in 5 y...
May 11, 2025
This exciting half marathon course is a fun and challenging loop on beautiful flowy singletrack in Fruita, CO. With shor...
May 11, 2025
We are excited to return to Westminster for the 2025 Colorado Women's Classic! While focused on women, all genders are W...
May 10, 2025
Taking place in Cheyenne Mountain State Park in southern Colorado Springs, Valkyrie Trail Race is a must-do ladies' even...
May 04, 2025
Longmont's only Half Marathon - now offered in the cooler month of MAY! Join the Half Marathon or 5k distance! Walkers...
May 04, 2025
Welcome to the Colorado Marathon, one of the most stunning races in the country! This annual marathon is held in the ver...
May 03, 2025
Who can turn down a morning in Garden of the Gods? We'll close the park to traffic, so runners can enjoy their race, tra...
Apr 27, 2025
Ready to gallop around Denver with some friends? Yeah, you are! Come frolic with us at the Unicorn Runner 5k at Great ...
Apr 27, 2025
Spring is the season of renewal and running. We hope you join us for a fun adventure that embodies the spirit of springt...
Aug 02, 2025
As the summer mornings start to cool, join us for a fantastic end-of-season celebration at our 12th annual Runapalooza! ...
Jul 12, 2025
Get ready for a sun-soaked adventure and a fantastic mid-season challenge with our 13th Annual Dog Days 5K, 10K & Ha...
Jun 07, 2025
Join us for our 13th annual Summer Breeze, benefiting the Food Bank of the Rockies! Tackle relatively gentle 5K, 10K, an...
Sep 28, 2025
The Colorado Springs Marathon, Half, 5k, Kids KJoin us at the Colorado Springs Marathon on Saturday, September 28, 2024....