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3 running, duathlon, and walking events in Greenwood Village, Colorado

From big races to Saturday morning group runsโ€”find running, duathlon, and walking events and connect with the local endurance sports community.

  • Chilly Cheeks Duathlon [chillycheeksdu.com] [Register at runsignup.com]

    Sat, Feb 21, 2026 at 10:00 AM

    Description

    Race & Entry Information

    The Chilly Cheeks event is held in the traditional duathlon format of Run-Bike-Run. Both runs will be 2.5 miles and the bike course will be 10.8 miles. As always, we will...

    Race & Entry Information

    The Chilly Cheeks event is held in the traditional duathlon format of Run-Bike-Run. Both runs will be 2.5 miles and the bike course will be 10.8 miles. As always, we will provide a marked and marshaled course, fast & accurate chip timing, light refreshments including Jill's famous banana chocolate chip bread, and some fun mid-winter competition in the heart of Denver.

    All athletes who enter before February 1st will get a pair of Chilly Cheeks Sweat Pants included with their entry! These are perfect for pulling on post-race or for lounging around the house. Those who enter on February 1st or later will have the option to purchase a pair while supplies last.

    New this year: If snuggly warm Chilly Cheeks sweatpants aren't your thing, you can choose the "No Pants for Me" option and save $10 on your entry fee.

    We will be conducting an awards presentation on race day in the following categories:

    OPEN CATEGORY: (Any bike is acceptable - no e-bikes): Top-3 male and female finishers in the following divisions: Age 29 & Under, 30-39, 40-49, 50-59, and 60+

    FAT TIRE: (Bike must have tires 2.0 inches or wider). Awards to the top-3 male and female finishers in the following divisions: Age 29 & Under, 30-39, 40-49, 50-59, 60+

    RELAY (one runner and one biker per team): Awards to first place in Male, Female, and Coed categories

    Duathlon

    4800 S. Dayton St., Greenwood Village, Colorado, 80111, United States
    OpenStreetMap Google Maps
  • Three Creeks Half Marathon [racingunderground.com] [Register at runsignup.com]

    Sun, Apr 05, 2026 at 8:00 AM

    Description

    FULL WEBSITE AT: http://www.racingunderground.com/threecreeks/

    Welcome to Denver's Best Spring Half Marathon!

    Sunday April 5, 2026 at Cherry Creek State Park

    Racing Underground brings you an amazing...

    FULL WEBSITE AT: http://www.racingunderground.com/threecreeks/

    Welcome to Denver's Best Spring Half Marathon!

    Sunday April 5, 2026 at Cherry Creek State Park

    Racing Underground brings you an amazing half marathon this spring! The Three Creeks Half Marathon features a half marathon course that is flat, fast and scenic!

    Travel on foot through some of the most beautiful parts of Cherry Creek State Park, with a total combined elevation gain of only 291 feet spread out over 13.1 miles as the course follows the banks of Cherry Creek, Windmill Creek, and Cottonwood Creek on a mix of road, paved running trail, and wide dirt trails.

    We hope to see you at the 13th annual Three Creeks Half this April!

    Darrin, Jill,and the Racing Underground Crew

    13.1 Miles Half Marathon Run Trail

    4800 S. Dayton St., Greenwood Village, Colorado, 80111, United States
    OpenStreetMap Google Maps

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