Event details subject to change. Please confirm all information via event website.
Week of Events
Sunday, August 10, 2025
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August 10, 2025 -Cheesman Park Circuit
Cheesman Park Circuit
Denver Athletics brings you the Denver Park Circuit Series- Three races at Denver's iconic city parks with the same format: One Lap As Fast As You Can Go! Spring- The City Park Circuit Summer- The Cheesman Park Circuit Fall- The Wash Park Circuit Become a Denver Athletics Road Racing Member ($100) or Full Member ($175) and get free entry […]
Monday, August 11, 2025
No events on this day.
Tuesday, August 12, 2025
No events on this day.
Wednesday, August 13, 2025
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August 13, 2025 -Summit Trail Running Series V
Summit Trail Running Series V
Explore the trails of Breckenridge this summer with the 23rd annual Summit Trail Running Series with each race followed by a post-race party! The Series consists of 5 trail races in and around Summit County, May-July. Each race features a short and long course, and all races are open to runners of all abilities ages […]
Thursday, August 14, 2025
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August 14, 2025Eldorado Springs Run for the Cure
Eldorado Springs Run for the Cure
The Colorado Cancer Foundation returns to Eldorado Springs for its Classic 44th edition of the Eldorado Springs Run for the Cure 4 Mile on August 10th.
Friday, August 15, 2025
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August 15, 2025 -Weld County Commissioner’s Cup
Weld County Commissioner’s Cup
This is a private event for Weld County employees and their families. The race is not open to the general public. Sorry!
Saturday, August 16, 2025
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August 16, 2025 -Cheyenne Mountain Run
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August 16, 2025 -The Fast and the Curious 5K/10K
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August 16, 2025 -Dash for Democracy 5K
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August 16, 2025 -Walk Like MADD
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August 16, 2025 -USAFA Half Marathon
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August 16, 2025 -Miles for Migraine 5K
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August 16, 2025 -Grizzly 2 Mile
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August 16, 2025 -Buffalo Run 5K
Cheyenne Mountain Run
The Cheyenne Mountain Run in Colorado Springs will take place on October 8, 2022 and will feature 3 trail races: a 25K to the top of Cheyenne Mountain for the more advanced trail runner, a 10K for the experienced runners and a 5K trail run for all to enjoy.
The Fast and the Curious 5K/10K
The Durango and Cortez Adult Education Center is delighted to announce our annual fun run! The Fast and the Curious is a 5k/10k run that not only celebrates physical fitness but also highlights cognitive fitness. In this way, the race spotlights our dedication to education as well as the irrefutable link between physical health and […]
Dash for Democracy 5K
Dash for Democracy 2025 Our democracy is facing real threats—from voter suppression to attacks on fundamental rights. Now, more than ever, we must come together, take action, and defend the values that define us. Join us for the 2025 Dash For Democracy 5K Run/2K Walk —a critical fundraising event to support the Democratic Party of Denver! Every […]
Walk Like MADD
Walk Like MADD is MADD's signature fundraising event to help us raise both awareness and funds to end drunk driving and fight drugged driving. With every step taken and each dollar raised, walkers are supporting MADD’s lifesaving mission to keep our families and communities safe.
Miles for Migraine 5K
Miles for Migraine will host its annual 2-mile Walk (or Intentional Movement of your choice), 5K Run and Relax Denver Event. This event is a fundraiser for Migraine & Headache Awareness, Treatment & Research. It's more than a walk/run - come connect with your local migraine & headache community, listen to our speakers & visit sponsors […]
Grizzly 2 Mile
Every year TRXC hosts a race to begin the season and celebrate ThunderRidge High School Cross Country. This season we will be holding a Grizzly 2-mile on the ThunderRidge campus to get the season going! We are excited to give the community the opportunity to contribute to the program and race on campus. Please register […]
Buffalo Run 5K
Held during Grand Lake's iconic Buffalo Days weekend, the Buffalo Run 5k route passes through the charming town of Grand Lake, along the scenic shores of Colorado's highest and deepest natural lake, and past historic landmarks for one of the most unique races you'll ever experience! The race starts and ends at the Grand Lake […]
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