Event details subject to change. Please confirm all information via event website.
Week of Events
Calarat Challenge Trail Running Festival
Calarat Challenge Trail Running Festival
Join us Labor Day weekend for the Calarat Challenge Trail Running Festival. We start the festivities off on Saturday night with a 5K that you can run, walk or hike, and our Kids 1K. Then on Sunday morning, we have the 1/2 MARATHON and 10K. All trail races start and finish at the Cal-Wood Education […]
American Heroes Run
American Heroes Run
The tragic events of 9/11/01 changed our nation forever. Let us not forget our proud history and those who fight everyday to keep us free. Please join us for this special day on this beautiful, flat, fast 1.05-mile loop course. The 100-mile race cutoff is 30 hours. No politics, just patriotism. - David Clark #WeAreSuperman […]
Sunday, August 31, 2025
-
August 31, 2025 -Orangetheory 5K
-
August 31, 2025 -Wine Run 5K
Orangetheory 5K
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. […]
Wine Run 5K
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 […]
Monday, September 1, 2025
-
September 1, 2025 -FCA All Abilities 5K
FCA All Abilities 5K
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
Tuesday, September 2, 2025
No events on this day.
Wednesday, September 3, 2025
-
September 3, 2025Gold Roots Trail Series #4
-
Featured September 3, 2025 -Featured Roost Rebellion Relays
Gold Roots Trail Series #4
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 […]
Roost Rebellion Relays
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 […]
Thursday, September 4, 2025
No events on this day.
Friday, September 5, 2025
-
September 5, 2025 -Mighty Marmot Kids Trail Race #1
Mighty Marmot Kids Trail Race #1
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 […]
Saturday, September 6, 2025
-
September 6, 2025 -Waneka Classic Community 5K
-
September 6, 2025 -Tater Trot 5K
-
September 6, 2025 -PPRR Nielson Challenge
-
September 6, 2025 -Champions for Children 5K
-
September 6, 2025 -St Vrain for the Brain 5K
-
September 6, 2025 -Summit UP Run
-
September 6, 2025 -CASA Superhero 5K
Waneka Classic Community 5K
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 […]
Tater Trot 5K
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 […]
PPRR Nielson Challenge
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 […]
Champions for Children 5K
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!
St Vrain for the Brain 5K
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 […]
Summit UP Run
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 […]
CASA Superhero 5K
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 […]
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.