3 events in Windsor, Colorado

From big races to Saturday morning group runs—find half marathon events and connect with the local endurance sports community.

• Red, White and Brew 5k, 10k & Half Marathon [runsignup.com]
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  Sat, Jun 20, 2026 at 7:30 AM

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  Walk, run or ruck, a 5k, 10k or Half Marathon to celebrate the Red, White and Brew in Windsor, CO! Starting and ending at The Grainhouse at Hoedown Hill in Water Valley, this race has fun for the...

  Walk, run or ruck, a 5k, 10k or Half Marathon to celebrate the Red, White and Brew in Windsor, CO! Starting and ending at The Grainhouse at Hoedown Hill in Water Valley, this race has fun for the whole family! Music, food, drinks, bouncy houses, face painting and more! Finishers will receive this year's RWB Headsweats Performance Hat and a chance at top finisher prizes. Kids Fun Run (1 Mile) also gets chip timing, race bibs and this years race shirt!

  A portion of registration proceeds will go to Windsor Gives, 501(c)3 non-profit, to support Imagine Zero of Weld County, a 501(c)3 non-profit, a local community led coalition aimed at suicide prevention, education and awareness.

  1 Miles 3.1 Miles 5k 6.2 Miles 10k 13.1 Miles Fun Run Half Marathon Run Walk

  Windsor, Colorado, 80550, United States
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• Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run [fb.me] [Register at runsignup.com]
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  Sun, Oct 04, 2026 at 7:00 AM

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  Welcome to the Windsor Marathon. This event starts and ends at The Island at Pelican Lakes in Water Valley, with a great after party including breakfast, drinks and music. Tour beautiful Windsor on a...

  Welcome to the Windsor Marathon. This event starts and ends at The Island at Pelican Lakes in Water Valley, with a great after party including breakfast, drinks and music. Tour beautiful Windsor on a variety of terrain, through golf courses, along the Poudre River trail, up and down hills, and event single track dirt trails for the marathon.

  There's a distance for everyone with a kids fun run, 5k, 10k, half and full marathon. This year's races benefits Banner MD Anderson Cancer Center and the Weld RE-4 Foundation. Create a team and let's show our strength in numbers!

  1 Miles 3.1 Miles 5k 6.2 Miles 10k 13.1 Miles 26.2 Miles Fun Run Half Marathon Run Trail

  Windsor, Colorado, 80550, United States
  OpenStreetMap Google Maps