Windsor Marathon

Windsor, CO, USA · October 4, 2026

46°·66° high·Light·Dry

Weather

Race Day Weather

46°at start

71° high

Light

Dry

Cool morning, warming afternoon

Runners will face a temperature trend starting at 46°F and climbing to 69°F. Winds will be light at 6 mph from the SE, with gusts up to 15 mph. With moderate humidity at 49%, runners should stay hydrated and adjust their pace as temperatures rise in the later stages.

Race day forecast available in 49 days

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Distance: 26.2mi

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Race Info

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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Course Map

FAQ

When is the 2026 Windsor Marathon?

The 2026 Windsor Marathon will be held on Sunday October 4, 2026.

What will the weather be like for the 2026 Windsor Marathon?

The forecast calls for a high of 75°F and a low of 46°F with a 3% chance of rain.

Historical Weather

Based on 5 years of data

Avg Temp

69°F

L:43° H:70°

RunScore

Conditions

Rain Freq

0 of 5 yrs

Wind6mph

Dew32°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Windsor Marathon Partly cloudy throughout the day with late afternoon rain. 2025	42°/66°	-	42°
2024 Windsor Marathon Clear conditions throughout the day. 2024	44°/70°	-	31°
2023 Windsor Marathon Clear conditions throughout the day. 2023	44°/77°	-	34°
2022 Windsor Marathon Clear conditions throughout the day. 2022	41°/71°	-	34°
2021 Windsor Marathon Partly cloudy throughout the day. 2021	46°/66°	-	31°

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