The 2025 event has concluded.

Windsor Marathon

Windsor, CO, USA • October 5, 2025
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rain Partly cloudy throughout the day with late afternoon rain.

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Starting and ending at The Island at Pelican Lakes in Water Valley, with a great after party including food, drinks, music, kids zone and more in Windsor, Colorado. There's a distance for everyone with a kids fun run, 5k, 10k, half and full marathon. Source

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When is the 2025 Windsor Marathon?

The 2025 Windsor Marathon will be held on Sunday October 5, 2025.

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Historical Weather & Results

RunScore
Run Score: 9
Temp
71°F
Min/Max
44°/71°F
Dew
30°F
Days of Rain
0/4
Wind
5mph
Tap a row for details.
YearLow / HighRain

Windsor Marathon 2024 Weather History

Clear conditions throughout the day.

2024
clear-night
44°/ 70°-
Run Score: 9

Windsor Marathon 2023 Weather History

Clear conditions throughout the day.

2023
clear-night
44°/ 77°-
Run Score: 8

Windsor Marathon 2022 Weather History

Clear conditions throughout the day.

2022
clear-night
41°/ 71°-
Run Score: 8

Windsor Marathon 2021 Weather History

Partly cloudy throughout the day.

2021
partly-cloudy-night
46°/ 66°-
Run Score: 9
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR