Windsor Marathon, Half Marathon, 10K & 5K

Sun October 8, 2023

Welcome to the 4th annual Windsor Marathon Event, held by run.Windsor


Starting and ending at The Island at Pelican Lakes in Water Valley, with a great after party including a gourmet breakfast, drinks, music, kids zone and more!

There's a distance for everyone with a kids fun run, 5k, 10k, half and full marathon.

A portion of proceeds go to Windsor Gives to support Realities for Children.

Packet Pickup

Saturday, Oct 7th from 12 pm - 7 pm
Sand Bar at Pelican Lakes in Water Valley

1600 Pelican Lakes Point, Windsor, CO 80550

Grab your shirt, bib and stick around for lunch or dinner at the Sand Bar!

Race Day Schedule

Sunday, Oct 8th

The Island at Pelican Lakes in Water Valley (start/finish)
445 Baja Drive Windsor, CO 80550

Late PPU begins at 6:30 am

7:00 AM - Marathon Start
8:00 AM - Half Marathon Start
8:30 AM - 10k Start
8:45 AM -  5k Start

11:00 AM - Kids Fun Run: Timed run + free fun run

9:00 AM - 12:00 PM Kids Zone: Bouncy house, face painting & Free 1 Mile 

9:00 AM - 2:00 PM: Post race experience for runners and vendor fair with 12+ vendors.

Buffet breakfast with eggs, pancakes sausage/bacon, and more. 

Visit the Online Store to add on breakfast for your spectators

Video experience of the Windsor Marathon

Registration Open



Learn More!

Marathon, Half Marathon, 10K & 5K

The full course covers a variety of terrain including paved trails, road, single track dirt trails, and some golf cart paths as you run through Windsor, along the Poudre River Trail and with views of Longs Peak unlike anywhere else! Find all course profiles and descriptions here. 

Marathon Course Half Marathon Course 10k Course

Runner Perks

Breakfast Buffet
Beer + Non-alcoholic beverages
Finisher Shirt + Medals for all distances



We are proud to announce our 2022 beneficiary for the Windsor Marathon!
A portion of proceeds will be donated to Windsor Gives, a 501(c)3 non-profit to support Realities for Children, a 501(c)3 non-profit that provides emergency and ongoing support needs of children in Northern Colorado who have been abused, neglected, abandoned, or are at-risk.

The race from above

Who We Are

The run.Windsor Race Series is locally owned and operated by Colorado native, Mandy Mullen. Our event organization brings seven quality endurance events to Northern Colorado, ranging from 5K up to Ultra Marathons. We’re passionate about providing unique experiences that celebrate running and the people, businesses and organizations that make our community great. All races donate proceeds to a local cause we’re passionate about.

Follow Us Race Series

Thank You Sponsors!


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