Marathon de Granby
Race Day Weather
Cool start, moderate warming trend
Runners will face a temperature range from 44°F at the start to 64°F by the finish, with an average humidity of 62%. A light headwind may be felt, but it won't significantly affect performance. Hydration should be prioritized as temperatures rise, and a throwaway layer may be useful during the pre-race wait.
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Race Info
The Marathon Sun Life de Granby runs each October in Granby, Quebec, starting and finishing at Parc Daniel-Johnson. The course passes through downtown Granby and along Lac Boivin, with marathon finishers continuing into Parc national de la Yamaska. It is a Boston Marathon and New York City Marathon qualifier. The 2025 edition drew about 6,000 participants across six distances, up from roughly 4,400 the year before.
FAQ
When is the 2026 Marathon de Granby?
Is the Marathon de Granby a Boston Marathon Qualifier?
What will the weather be like for the 2026 Marathon de Granby?
Historical Weather
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 | | 61°/79° | - | 57° | |
2024 |  | 45°/61° | - | 46° | |
2023 |  | 53°/70° | - | 55° | |
2022 | | 38°/51° | - | 32° | |
2021 | | 49°/56° | - | 46° | |
2019 | | 45°/56° | - | 42° |