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

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

October 4, 2026

Location: The Island at Pelican Lakes in Water Valley, Windsor, CO 80550

This event features multiple distances for all levels, including a 1 Mile Fit & Fun Run, 5k, 10k, Half Marathon, and Full Marathon. The race starts and ends at The Island at Pelican Lakes in Water Valley, with an after-party including food, drinks, music, and a kids zone. The event benefits Banner MD Anderson Cancer Center and the Weld RE-4 Foundation.

Runner Perks:

• Finisher Lunch (Meat, Vegetarian or Gluten Free Options)
• Beer + Non-Alcoholic beverages
• Long sleeve finisher shirt + medals for 5k, 10k, Half and Full Marathon
• Long sleeve shirt + Medal for the 1 mile race

Prizes for top finishers overall and age groups.

The Windsor Marathon is one of four run.Windsor races that are official BOLDERBoulder Qualifier events.