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Windsor Marathon, Half Marathon, 10K & 5K

October 5, 2025 Windsor, CO 80550 US

Lace up and join us for the Colorado Fit & Fun 1 Mile Run, a 5K, 10K, Half or Full Marathon proudly sponsored by Banner Health. Open to all ages and fitness levels, this family-friendly race promotes health, wellness and community connection. Whether you're running for a cause or walking with loved ones, every step makes a difference. Come together with employees, families and neighbors to support hope, healing and a healthier future.  Proceeds benefit Banner MD Anderson Cancer Center locations in Colorado.

Race Perks!

Run the Colorado Fit & Fun 1 Mile

  • $5 will be donated directly to Banner MD Anderson Cancer Center locations in Colorado with your registration 
  • Get a custom Fit & Fun Run finisher shirt and medal!

Run the 5k

  • $5 will be donated directly to Banner MD Anderson Cancer Center locations in Colorado with your registration
  • Get this year's run.Windsor featured shirt and medal!

How To Fundraise?

There are 2 Ways to Set up a Fundraiser

You can choose to fundraise for either the Banner MD Anderson Cancer Center or The Weld RE-4 Education Foundation.

1. During Registration

  • Choose option to "Become a Fundraiser".
  • Create a personal fundraiser and/or a team fundraiser.
  • Enter your goal and message

2. After Registration

  • Log into your RunSignup account and go to your Profile page.
  • Select "Upcoming Events".
  • Click "Manage Registration".
  • Navigate to the "Groups/Teams" menu.
  • Choose to "Create New Group/Team" or "Join Existing Group/Team". 

Banner MD Anderson Cancer Center

Since 2011, Banner Health and The University of Texas MD Anderson Cancer Center have partnered to provide patients with state-of-the-art technology for the diagnosis, staging and treatment of all cancer types; oncology expertise in supportive care services; and access to groundbreaking clinical trials and new investigative therapies. Together, our disease-specific specialists take a multidisciplinary approach to providing exceptional patient-focused care {at multiple facilities.


Weld RE-4 Education Foundation

The Weld RE-4 Education Foundation is a 501(c)(3) nonprofit organization that was founded in April 2013 by a group of passionate community supporters of our schools. Though the Foundation is a separate legal entity from the Weld RE-4 school district, it works in close partnership with the district to provide more of the technology and other tools needed to prepare our students for an ever-changing world. The Foundation strives to foster innovation and collaboration in our classrooms.

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