Marathon de Granby

Montreal, QC, Canada · October 4, 2026

51°·62° high·Light·Dry

Weather

Race Day Weather

51°at start

63° high

Light

Dry

Cool temps, slight wind

Runners will face a temperature trend starting at 51°F and peaking at 63°F, with average humidity at 79% and a dew point of 50°F. Winds will be light from the SSW at 7 mph, with gusts up to 16 mph. Runners should maintain a steady pace and stay hydrated, as conditions are generally favorable.

Race day forecast available in 94 days

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Distance: 26.2mi

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Race Info

Le Marathon Sun Life de Granby offre une expérience de course immersive au cœur de la ville de Granby, au Québec. Les participants traversent le centre-ville animé, longent les rives du lac Boivin et, pour les marathoniens, explorent les paysages pittoresques du parc national de la Yamaska. Ce parcours varié est réputé pour sa qualité, avec des sections qualifiantes pour le Marathon de Boston et le Marathon de New York.

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Course Map

FAQ

When is the 2026 Marathon de Granby?

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

Is the Marathon de Granby a Boston Marathon Qualifier?

Yes, the Marathon de Granby is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Marathon de Granby?

The forecast calls for a high of 63°F and a low of 49°F with a 13% chance of rain.

Historical Weather

Based on 3 years of data

Avg Temp

74°F

L:55° H:74°

RunScore

Conditions

Rain Freq

33%

1 of 3 yrs

Wind8mph

Dew52°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Marathon de Granby Clear conditions throughout the day. 2025	61°/84°	-	54°
2024 Marathon de Granby Partly cloudy throughout the day with rain. 2024	46°/64°	Light	46°
2023 Marathon de Granby Becoming cloudy in the afternoon with late afternoon rain. 2023	56°/75°	-	56°

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