Windsor Marathon

OCT

4

2026

Multi-distance running event in Windsor, Colorado on Oct 4, 2026, offering marathon to 1-mile races on mixed terrain and supporting Banner MD Anderson Cancer Center.

Sun 4 Oct 2026

Windsor, Colorado

Website Registration

Marathon Half Marathon 10 kilometers 5 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

Windsor Marathon, Half Marathon, 10K, 5K & 1 Mile Run

The Windsor event is a multi-distance running festival held in Windsor, Colorado, with start and finish at The Island at Pelican Lakes in Water Valley (Windsor, CO 80550). The schedule includes a full marathon, half marathon, 10K, 5K and a 1 Mile Fit & Fun Run, plus a kids fun run option.

Course terrain varies by distance and includes sections through golf courses, along the Poudre River trail, up and down hills, and single-track dirt trails on the marathon route. The event offers post-race activities at the finish area with breakfast, drinks, music and a kids zone.

Perks for participants include a finisher lunch with meat, vegetarian or gluten free options, beer and non-alcoholic beverages, branded shirts and medals for several distances, and prizes for top overall and age-group finishers. The organizer provides a runner handbook with aid station details, course maps and tracking information.

The event is presented by Banner Health and produced by the run.Windsor Race Series and miles.Beyond. Race proceeds benefit Banner MD Anderson Cancer Center and the Weld RE-4 Foundation, and the event supports a number of local nonprofit organizations. Visit the organization's website for the most recent information.