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Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run is a half marathon running event held in Windsor, CO on Oct 4, 2026. It is a Boston Marathon qualifier. The course has a trail profile.
Trehko tracks registration status, entry fees, and deadlines for Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run and thousands of other endurance races. Use the app to set a registration reminder and build a training plan tailored to race day.
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