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Windsor Marathon, Half Marathon, 10K & 5K

October 5, 2025
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Windsor Marathon, Half Marathon, 10K & 5K

October 5, 2025 Windsor, CO 80550 US

Marathon + Half Marathon

Enjoy the beautiful 26.2 & 13.1 loop courses as you are on paved trails out to River Bluffs/Kyger Reservoir, up CR 13, finishing through Water Valley onto the Island at Pelican Lakes. The Marathon will take you through a loop in Belmont Ridge before returning to Water Valley.

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Marathon Route
13.1 Route
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Marathon + Half Marathon

10k + 5k

The 10k route is fast loop course as you travel through Pelican Lakes around Eastman Park, up the hill on 7th street, and finish on the Island at Pelican Lakes. The 5K is a quick out/back course.

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1 Mile Fit & Fun Run

Lace up and join us for the Colorado Fit & Fun 1 Mile Run, proudly sponsored by Banner Health. This distance is open to all ages and fitness levels to promote health, wellness and community connection.

With this registration, you’ll get a unique Fit & Fun Run t-shirt and medal.

Proceeds benefit Banner MD Anderson Cancer Center locations in Colorado.

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