The Estes Park Marathon is America’s most scenic marathon course! In the marathon, runners enjoy our famous road course that is surrounded by glorious 360 degree views of Rocky Mountain National Park. Starting with an inspiring 1500 ft descent, within the first 6.5 miles, runners will find their rhythm and strong pace for an exceptional […]

The race starts and ends at the founder of Luv-a-Dad's residence and routes through beautiful farmland.  Part of the course runs along an irrigation ditch with the sound of soothing water flowing. Be prepared to run on dirt and asphalt roads.  We will have one water station close to the middle of the race course.  […]

Celebrate Father Hood

For the nineth year, the Town of Frisco is hosting a series of four kids’ trail running races over the summer. The entire family is welcome to come out for a night of family fun at the Frisco Adventure Park. Once the kids cross the finish line, they can grab some snacks at the Frisco […]

Explore the trails of Breckenridge this summer with the 23rd annual Summit Trail Running Series with each race followed by a post-race party! The Series consists of 5 trail races in and around Summit County, May-July. Each race features a short and long course, and all races are open to runners of all abilities ages […]

Join the Boulder Road Runners as we host the premier track and field meet series in Colorado! Tradition runs deep with this legacy event. Now in its 4th decade, the meets welcome people of all ages and abilities – youth, masters, elites, and age-groupers alike. Heats are organized by predicted finish time, giving everyone peers to […]

Join us for a heartwarming and inspiring race event that celebrates the power of community and compassion! Safe Families for Children is a remarkable Global Movement dedicated to keeping children safe and families together. Picture this: a vibrant atmosphere filled with families, friends, and runners of all ages, united by a common goal – to […]

Introducing Bears Ears Ultra! A 50 mile, 50K, 30K event hosted in the quiet Abajo Mountains of Monticello, Utah.  The course treats runners to views overlooking Canyonlands National Park and the Bears Ears National Monument. You can even catch views of Monument Valley and the Bears Ears Buttes! Sunrise over Canyonlands National Park will greet […]

About the run The first running was held on June 17, 1995 and it was known then as the Lake City 50. The snowfields on the Continental Divide prevented running the proposed route that first year and the course was reduced to an out and back to the Williams Creek Aid Station. As a result, […]

Be part of BeyondHome's first trail race at North Table Mountain! This scenic and challenging 8.6-mile race supports BeyondHome in helping families build stable, self-sufficient futures through housing, education, and support services. Be part of something extraordinary at the first-ever trail race in North Table Mountain Park! Every step you take helps BeyondHome empower families […]

Join us for the annual Hometown Half Marathon & 5k/10k! A run local-themed event that is perfect for the whole family. The fun includes great swag (designer shirt, custom medal), chip-timing, live results and awards, pacers for half marathon free photos, a "biggest team" contest, a kids' dash, great post-race food, and plenty of fun! […]

Loveland Lake to Lake Triathlon has welcomed athletes from Northern Colorado, this entire state, region, country,  and outside the USA for 24 years and we are excited about our 2025 edition. Athletes have ONE OPPORTUNITY each summer to compete at this beautiful venue. Loveland CO~ one opportunity, one time each summer on a Saturday morning […]

Walk, run or ruck, a 5k, 10k, Half Marathon or 12 Hour Last Man Standing Race to celebrate the Red, White and Brew in Windsor, CO! Starting and ending at the new Hoedown Hill in Water Valley, this race has fun for the whole family! Live music, food, drinks, bouncy houses, face painting and more! […]

This 5K race leads runners throughout the rolling hills of Elk Meadow Open Space Park. Runners will start on Pioneer trail and head clockwise around the meadow. The first stretch is a steady downhill along highway 74. From there, runners will weave their way up to where they will run through the trees along the […]

Let the trail races begin!! This is a challenging trail run on the scenic single track trails of historic Howelsen Hill, Steamboat’s outdoor playground. The trails of Emerald are beautiful this time of year with abundant aspen trees and wildflowers. Distances: 8 mile and 4 mile

Join us for a pet-friendly 5K Run/Walk where your four-legged friends are welcome! (All dogs must be leashed throughout the event.) Thanks to our generous sponsors who have helped offset the costs of t-shirts and event organization, your participation fee can go directly where it's needed most - supporting PAWS through donations of food and […]

Coinciding with the longest day of the year, the Summer Solstice 5K/10K trail run is arguably the most enjoyable race in the Vail Trail Running Series. Beginning and ending in the lawn in front of the Beaver Creek Chophouse adjacent to the Centennial lift in the heart of Beaver Creek, Colorado. Keep a look out […]

The Tails on the Trail 5K is a family and dog-friendly 5k race with proceeds benefiting the life-saving work of Ark-Valley Humane Society. Race this with or without your dog on May 22nd at Loyal Duke's Dog Park in Salida.

We're all tied to heart disease and stroke in some way, and we must change that. Join your friends, family and co-workers to be a relentless force for a world of longer, healthier lives. By registering for the Heart Walk today, you are taking the first step to save lives. Every walker who joins, every […]

The Backyard Ultra with the views. ​ The Backyard Ultra is a form of Ultra race where runners must complete 4.167 miles in less than one hour, every hour, until only one runner remains to complete a lap. This runner is crowned the winner and only finisher, while all others will be marked as DNF. There is […]

The Mustang Mile is a timed Run/ Walk in Kremmling, Colorado. This event will kick off the Kremmling Days Parade with a route through Main Street. Participants will run this straight downhill course with spectators to cheer them on. Could this be the fastest road mile course in Colorado? Come join us and let us […]