Windsor Marathon
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Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
The Windsor Marathon events take place in Windsor, Colorado on October 4, 2026. Races start and finish at The Island at Pelican Lakes in Water Valley and include a post-race celebration with food, drinks, music and a kids zone.
Distances offered
- Marathon
- Half Marathon
- 10K
- 5K
- 1 Mile Fit & Fun Run
The courses run through parts of Windsor and include varied terrain: sections along the Poudre River trail, stretches through golf course areas, uphill and downhill segments, and single-track dirt trails on the marathon route. The event is presented by the run.Windsor Race Series and miles.Beyond and is an official BOLDERBoulder qualifier event.
Charitable support for the event includes Banner MD Anderson Cancer Center and the Weld RE-4 Foundation along with other local nonprofit partners. Participant amenities listed by the organizer include a finisher lunch with meat, vegetarian and gluten-free options, beer and non-alcoholic beverages, finisher shirts and medals for the 5K, 10K, half and full marathon, a long sleeve shirt and medal for the 1 mile, and prizes for top finishers overall and in age groups. Visit the organization's website for the most recent information.
