Desert’s Edge Triathlon

Highline Lake State Park 1800 11 8/10 Rd, Fruita, CO, United States

Join the Grand Junction Sports Commission for the 2025 Desert's Edge Triathlon Series. After a modified event in 2024, we are back with all of the usual race distances, at Highline Lake State Park.

Meadowgold Trail Run

Minturn Ranger Station 24747 US Highway 24, Minturn, CO, United States

The seventh and final race in the Vail Recreation District's (VRD) Vail Trail Running Series, the Dynafit Meadowgold 10K and 5K is presented by Town of Minturn. This exciting route will take place on Meadow Mountain in Minturn, Colorado. 10K runners will ascend technical singletrack on the beautiful West Grouse Trail with multiple stream crossings and fields […]

The Denver 5K

Sloan's Lake Park 1700 Utica Street, Denver, CO, United States

THE Denver 5k! Denver's Iconic Sloan Lake is the setting for the return of 'THE Denver 5k'. Celebrate with friends and family as you race around the lake in the shadow of Denver's skyline. Group pricing applies; youth and senior pricing are offered as well! Held at the start of September, THE Denver 5k is […]

Historic Main Street 5K

Elizabeth Brewing Company 239 South Main Street, Elizabeth, CO, United States

Join us for this family-friendly event! The 5K run/walk will begin and end on Elizabeth’s historic Main Street, featuring a new and exciting course that crosses the reconstructed trail bridge and heads north into Evans Park, with a mix of pavement and dirt for varied terrain. The Family Color Run will take place in Running […]

Oktoberfest 5K Trail Run

Riverwalk Center 150 W Adams Ave, Breckenridge, CO, United States

The Oktoberfest 5K returns this fall on Saturday, September 13th, offering an active start to a festive weekend. Lace up your running shoes and experience the changing aspens and beautiful scenery in this 5K trail run on Town of Breckenridge Trails, finishing right in Blue River Plaza on Main Street in time to enjoy the […]

Lead King Loop

Thompson Park Marble, CO, United States

Join us for a great day of running through the spectacular fall colors in the heart of the Elk Mountain Range. Run, walk, or hike the 25k loop around Lead King Basin. Zip past the famous Crystal Mill and the Town of Crystal. After the event enjoy a delicious homemade boxed lunch including Slow Groovin' BBQ […]

Tri the Rock Kids Tri

Butterfield Park 3952 Butterfield Crossing Drive, Castle Rock, CO, United States

We welcome you to our 17th annual youth triathlon! Tri the Rock is designed for, and open to youth ages 5 to 18. Come for a great day of fun, food, prizes and sport! Age division participants for Tri the Rock compete based on age on RACE DAY. Be sure to register and prepare accordingly. Race […]

Nun Run Half Marathon

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

Do you support life at all stages from conception until natural death? Do you believe every human being should be treated with the utmost dignity and the respect they deserve? Do you want to see a Culture of Life spread in our country and our world? Then this is the race for you. The Sisters […]

Pony Express Trail Run

Rampart Reservoir Rainbow Gulch Trailhead, Woodland Park, CO, United States

The Pony Express is a 16 mile trail run around Rampart Reservoir. Come out and enjoy the single track, running creeks, wildlife, and Colorado's autumn glory.

Pikes Peak Ascent

Memorial Park - Manitou Springs 502 Manitou Ave, Manitou Springs, CO, United States

The Pikes Peak Marathon, founded in 1956, is the oldest continually held marathon in the United States, taking runners from Manitou Springs, Colorado, to the summit of Pikes Peak at 14,115 feet, and back down for a total of 26.2 grueling mountain miles. It and its sister race, the Pikes Peak Ascent, each climb about […]

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