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 […]

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 […]

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 […]

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, […]

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? […]

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 […]

Autumn Run Half Marathon

McPhelemy Park 112 W Lake St, Buena Vista, CO, United States

The Autumn Run is held each year on the third weekend in September, in and around the historic, friendly, and picturesque town of Buena Vista, Colorado. Nestled in the upper […]

Fall Equinox Marathon

Mishawaka Amphitheater 13714 Poudre Canyon Rd, Bellvue, CO 80512, Bellvue, CO, United States

Held on the Autumnal Equinox during the height of fall color, the Equinox Marathon, Half Marathon and 5-miles races are all point-to-point, net downhill, scenic courses along the Cache La Poudre River in Fort Collins. This year, the event will take place on September 18th.

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