All members of Broncos country, walkers and runners alike, are invited to join the Denver Broncos for the 13th annual Broncos 7K presented by CommonSpirit, Ticketmaster, King Soopers, and Cigna on Sunday, August 31. Participants will start at Empower Field at Mile High and head west into the beautiful Sloan's Lake neighborhood. Then, they will […]

Join us for the 3rd annual Orangetheory 5k at Labor Day Lift Off on Sunday, September 1, 2024. Starting from the IAFF Fallen Firefighters Memorial (northwest corner of Memorial Park), head through the side streets of Memorial Park, around Prospect Lake and finish back at the memorial. The 5K race will start at 9 a.m. […]

This is a challenging trail run with beautiful terrain and breathtaking scenery. The 10K race begins at 10,000 ft at the summit of Rabbit Ears Pass. The course begins by heading uphill on USFS dirt roads and 2 track, and then then heads downhill on single-track, ending on a cross country single-track. The total elevation […]

Join us for an exciting annual event that features the amazing scenery and landscape of The Winery At Holy Cross Abbey! Since July 2002, The Winery at Holy Cross Abbey has been attracting visitors from Colorado and all over the world. Striving to produce the best Colorado Wine, the winery is located on the pastoral […]

See the Northern Colorado All-Ability communities come together in faith and sports through FCA All-Abilities. We are running for: Awareness of sports programs for all ages for individuals with disabilities Community programs for inclusion of all abilities Funds to support our all ability athletes, coaches, equipment, facilities and programs

The Running Series is excited to have the Oak Creek No Fun Run on our schedule again! Please join us in remembering long-time Running Series competitor Larry Brooks, a former organizer of the Oak Creek No Fun Run. This 5K run will take you through the streets of Oak Creek, looping through the scenic Oak […]

Run the Mighty ARGO hill this summer in a 4 race series! You will have the option of a short loop (~5 miles, ~750' gain) or a long loop (~9 miles, ~1400' gain). Both loops climb the Rosa Gulch trail and come down Virginia Canyon. Start and end in Courtney Ryley Cooper Park. Routes subject […]

Welcome to the Roost Rebellion Relays! Assemble your fastest 4 x 1 mile relay team to race in Washington Park. Each team needs to be co-ed with at least 2 women. Here's the catch! Each team must select at least one participant to race in Mizuno's super shoe - the Wave Rebellion Pro. This ultra […]

The popular trail running series in Bear Creek Lake Park takes place weekly in September. Different routes allow participants to explore all areas of the park. Racers can compete against others in-person on Wednesday evenings, or run the marked course on their own Tuesday-Thursday weekly for a virtual option.

Come join the Vail Recreation District for the 3rd Annual Mighty Marmot Kids Trail Race Series! Youths ages 4 to 10 are welcome to participate. Chose between 1 or 2 miles* to compete amongst your friends and celebrate with awards and ice cream after you finish! *4-year-olds can only race in the 1 mile category This series includes […]

The Black Squirrel Trail Half Marathon takes place on the wonderful trails of Lory State Park to the northwest of Fort Collins, CO. The trail half marathon course offers a tour of the outer boundaries of Lory State Park, providing breathtaking views to the east of Horsetooth Reservoir, Fort Collins and the Great Plains; and […]

We are pleased to present one of the most beautiful and challenging trail racing events in the state of Colorado with breathtaking (literally and figuratively) views of Clear Creek County and the Continental Divide. Participants will reach a top altitude over 13,000 feet. The 50K course climbs over 6500 feet.  Due to the difficulty and […]

A free, timed 5K, open to the public, held prior to the Centaurus Cross Country Invitational. Proceeds from the World Famous Concessions Stand and T-shirt sales benefit the Centaurus Cross Country Team. Stick around and watch Colorado's best student-athletes run the same course. A note about parking: Parking is available throughout the Waneka Lake residential […]

Scenic and hilly Sprint and Olympic(standard) distance triathlons held at Lake Nighthorse Recreation Area in Durango 9/6/25 with prize money for top 3 overall male and female racers.

The Wildcat Mountain trail races take place starting at the Douglas County East/West trailhead at Rocky Heights Middle School and run along the E/W trail to the beautiful HRCA Backcountry Wilderness Area Wildcat Mountain trail system. 10 Mile and 10K

The Imogene Pass Run (IPR) is a 17.1 mile point-to-point mountain race within the western San Juan mountains of Colorado. The course runs along a route which connects the towns of Ouray (7810 ft.) and Telluride (8750 ft.) by way of 13,114 foot Imogene Pass. The IPR is held on the first Saturday after the […]

The RexRun 5K is a 5K run/walk to spread mental health awareness and #PAWSitivity in schools with the help of more Therapy K-9's like Arapahoe County Sheriff's Office K-9 Rex. This year's event is at Dove Valley Park in Centennial on August 6th.

The Colorado Potato Festival will be kicking off at Chapman Park in Monte Vista with the annual Tater Trot 5K. This sponsored event is a great addition to the festival and the participants enjoy it every year! Whether you're a seasoned runner or just in it for the fun, this course is for all ages […]

Race Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is calculated using an algorithm developed by Bob Royse, and it's geared to favor a beginning runner and the slower runners. Click here for an explanation of the […]

The 2025 Gleneagle Spirit 5k is the Fourth annual event held in the Gleneagle community. The event features a 5k Run/Walk for Fun that winds through the streets of the Gleneagle Neighborhood in Northern El Paso County. The event is organized and presented by two neighborhood Realtors (Blair Dinkins and Mark Rudolph) with volunteer assistance […]

Join Every Child Pediatrics for the Champions for Children 5K + Fun Run, a fun and inspiring event designed to bring our community together in support of Colorado’s uninsured children. Whether you’re an avid runner, a casual walker, or simply want to enjoy a day of family-friendly activities, there’s something for everyone at this event!

Join us either in person or virtually on September 6th at 9:00am for a morning of fresh air, community, prizes, and more. We invite all to participate, whether that be by running, walking, or skipping. Feel free to wear a costume, the best one gets a prize! At this event, participants can register as a team, register […]

We're bringing back our Summit UP Run presented by Mammut during Union Peak Festival weekend with spectacular views to jump-start your Saturday morning before relaxing and listening to music! Choose from a 5k or 5k Challenge route—both start & end at Aerie, located at the top of American Eagle lift. Celebrate your athletic pursuit at the Aerie […]

We invite you to join us for the sixth annual CASA Superhero Run at Two Rivers Park in Glenwood Springs. We recognize that all children need heroes, but abused children need superheroes! Be a hero for children in need by participating in our annual CASA Superhero Run. Your involvement helps us provide crucial advocacy and […]

The race begins at 10,780' ft, starting at the base of Arapahoe Basin, Mountain Goat Plaza, head up to the High Noon parking lot, then to last chance.  You will cross highway 6, get on the A-Basin summer road.  You will follow the summer road up to Black Mountain Lodge.  From Black Mountain Lodge you […]