Fishers Peak Trail Race

Fishers Peak State Park 6910 Marc Jung Drive, Trinidad, CO, United States

Be a part of our trail run in the 2nd newest and 2nd largest state park in Colorado, at 19,200 acres.  The park is characterized by rugged topography, abundant wildlife, and the park's namesake, Fishers Peak, prominently presiding at 9,633 feet.  You will want to be part of the lucky 75 people who will be […]

Spirit of the Valley Run

St. Matthew's Episcopal Church 3888 27 1/2 Road, Grand Junction, CO, United States

Helping to Heal! The Spirit of the Valley Run, Walk 'N Roll 1K and 5K timed races are set for Saturday September 9, 2023. Runners, walkers and rollers are all welcome for a great morning of competition, fun, food, and rock ‘n roll. The race will benefit two local organizations - the VA Recreational Therapy […]

Science Stride 5K

Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

The Friends of the National Center Science Stride 5k brings together our community for a common cause: Inspiring the next generation of scientists! This event provides an excellent opportunity for everyone who believes in the importance of STEM education to come together and support Friends of the National Center. Runners and walkers of all abilities […]

$50

Nun Run Half Marathon

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

We are excited to be together for the 10th annual Nun Run Charity Race that supports the Denver Sisters of Life. Race day starts in deKoevend park with a Half-Marathon, followed by a 5k and 5k buggy run (parents with their little ones in strollers) all along the beautiful High Line Canal, followed by a […]

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 and enjoy a delicious homemade boxed lunch including Slow […]

$75 – $85

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.

RRCC Front 9 Fun Run 5K

Red Rocks Country Club 16235 W Belleview Ave, Morrison, CO, United States

Join us for our first Red Rocks Country Club Front 9 Fun Run 5k! Enjoy beautiful views of Red Rocks Amphitheater as you wind your way through the front 9 holes of our stunning golf course. Walkers are welcome!!! Race Timing for all 5K competitors with awards for the TOP 3 overall male and female […]

Be Ovary Aware 5K

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

Raise awareness for ovarian cancer and raise funds to support Coloradans with 7 different types of gynecologic cancers: Ovarian, fallopian tube, uterine/endometrial, cervical, vaginal, vulvar and peritoneal cancers. This event benefits Sue Gift - Gynecologic Cancer Support.

Flyin’ Lion 5K

Littleton High School 199 E Littleton Blvd, Littleton, CO, United States

The Flyin' Lion 5K returns this year to raise money to support Littleton High School’s Lions Sports Booster Club, a non-profit 501c3 made up of parent volunteers and school administrators. The race will take place at Littleton High School on October 2nd, 2022.

Farmers 5000

Wheat Ridge High School 9505 W. 32nd Avenue, Wheat Ridge, CO, United States

The Farmers 5000 is likely one of the very first school-based 5K fundraisers in the state of Colorado. Since 1981, serious racers and weekend warriors alike have been coming to Wheat Ridge High School to run the Farmers 5000! Starting and finishing in front of the school, this race winds through the surrounding neighborhoods making […]

Please click here to submit your event for FREE to our online calendar.
We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.