Wolf Creek Wrangle
Eaton's Ranch 270 Eaton Ranch Road, Wolf, WY, United StatesTake a step back in time and run or hike where the settlers of the west once walked! These trail races are hosted by the historic Eaton's Ranch, the country's oldest operating dude ranch located at the base of the Bighorn Mountains outside Sheridan, WY. Test your Wyoming grit on September 17th.
Pikes Peak Ascent
Memorial Park - Manitou Springs 502 Manitou Ave, Manitou Springs, CO, United StatesThe 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 […]
Canceled Mountain RATS Trail Running Festival
Eagle Ranch Metropolitan District 1203 Capitol St, Eagle, CO, United StatesA Colorado end-of-summer outdoor celebration! Come celebrate the beginning of fall in the mountains with a trail running challenge! An exciting day of festival fun and adventure on the trails near Eagle, Colorado. With the start/finish line right in the heart of Eagle Ranch friends and family can enjoy themselves while you push yourself in […]
Run the Rockies Half Marathon
Copper Mountain Resorts 184 Copper Circle, Frisco, CO, United StatesThe Run the Rockies Road 10k and Half Marathon will feature the traditional Run the Rockies Road Race course with runners starting near Copper Mountain; runners will follow the paved recreation path through the Ten Mile Canyon. The 10k course is 100% downhill and the half marathon course is 75% downhill. This course will showcase […]
Superhero 5K/10K
Greeley Family FunPlex 1501 65th Avenue, Greeley, CO, United StatesThe Superhero Run has become one of Greeley's most popular running events. The event will be held at the Greeley Family FunPlex and includes a 10K, 5K, 1 mile and free Kid's Fun Run along with a free family canival. We provide a top notch run for running enthusiasts, we also provide a fun community […]
Beulah Challenge
Beulah School of Natural Sciences 8734 School House Lane, Beulah, CO, United StatesThe Beulah Challenge is an annual race (started in 1996) consisting of 5K, 10K, and half-marathon distances located in Beulah, Colorado, which is situated in the beautiful Wet Mountain foothills. The 2024 race will be a live event on September 21st. The Over It Series consists of the Beulah Challenge half-marathon and the Rim to Rim Royal Gorge half-marathon […]
So Long to Summer 5K/10K
Salisbury Park 11920 N Motsenbocker Rd, Parker, CO, United StatesPart of the Parker Parks and Recreation Run Series, this event is professionally timed. Registered participants will receive a race shirt, custom bib and a delicious post-race pancake breakfast. The FREE Kids' Dash follows the race for children 8 and under; no registration necessary. Any proceeds from the event will benefit the Town of Parker […]
Lisa Nelson’s Mustang Stampede 5K
Ralston Valley High School 13355 West 80th Avenue, Arvada, CO, United StatesLisa Nelson's Annual Mustang Stampede 5K Memorial Scholarship Run/Walk in memory of Lisa Nelson, a beloved faculty member of Ralston Valley High School. Lisa passed away from cervical cancer in March 2013. The purpose of this 5K Run/Walk is to unify the local community in commeration of her life and raise funds for a college […]
Canceled ColorFest Color Run 5K
Yamaguchi Park 684 S 5th St, Pagosa Springs, CO, United StatesBrilliant colors will be flying at Pagosa Springs' iconic ColorFest Color Run 5k. As participants venture out on the course, vibrantly hued hot air balloons will be filling the skies along the entire course route from the annual ColorFest Weekend. ColorFest Color Run 5k participants will be transformed into a running rainbow as you run […]
RINO 5K
Marine Layer 2700 Larimer St, Denver, CO, United StatesLooking for a fun way to get your blood pumping and explore one of Denver's most vibrant neighborhoods and support a great charity? Join us for a morning of fun, fitness, and community as we run through the streets of the RiNo Art District, taking in the stunning street art and eclectic vibe of this […]
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.