The 2025 event has concluded.

Hamilton Marathon

Hamilton, ON, Canada • November 2, 2025
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Race Day Weather

clear-day
29°
52° high
Breezy
Dry

Crisp morning, steady conditions

Runners will face a cool start at 30°F, gradually warming to 51°F. With a light SE wind at 7 mph and high humidity at 82%, pacing should be conservative to prevent early fatigue. Hydration should be prioritized, particularly as temperatures rise during the race.

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Area Map

Course Map

Course Map Unavailable

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FAQ

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When is the 2025 Hamilton Marathon?

The 2025 Hamilton Marathon will be held on Sunday November 2, 2025.

Is the Hamilton Marathon a Boston Marathon Qualifier?

Yes, the Hamilton Marathon is an official Boston Marathon qualifier.

Historical Weather

Based on 5 years of data
Avg Temp
50°F
L:41° H:51°
RunScore
7
Conditions
Rain Freq
20%
1 of 5 yrs
Wind12mph
Dew39°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults

2024 Hamilton Marathon

Becoming cloudy in the afternoon.

2024
clear-day
33°/49°-
8

2023 Hamilton Marathon

Becoming cloudy in the afternoon with morning rain or snow.

2023
partly-cloudy-day
35°/48°-
8

2022 Hamilton Marathon

Partly cloudy throughout the day.

2022
partly-cloudy-day
60°/76°-
7

2019 Hamilton Marathon

Partly cloudy throughout the day with rain or snow.

2019
cloudy
38°/41°Light
6

2018 Hamilton Marathon

Partly cloudy throughout the day with late afternoon rain.

2018
cloudy
39°/42°-
7
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