The 2026 Sudbury Rocks Marathon has concluded.

Sudbury Rocks Marathon

Race complete
Sudbury, ON, Canada · May 24, 2026
cloudy48°·52° high·Breezy·Dry
8
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Weather
Course
Race Info
FAQ
History

Race Day Weather

cloudy
48°at start
52° high
Breezy
Dry

Cool conditions, steady pace

Runners will face a consistent temperature range of 48°F to 52°F throughout the race, with a light breeze from the S. Humidity will be high at 100%, but no rain is expected. Given the cool conditions, maintaining a steady pace is advisable, while ensuring hydration is kept in check.

cloudy7
cloudy7
cloudy8
cloudy8
cloudy9
cloudy8
cloudy8
cloudy8
cloudy8
cloudy7
cloudy7
cloudy8

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Race Info

The SudburyROCKS!!! Marathon is an annual road race in Greater Sudbury, Ontario, first held in 2005. It is a Boston Marathon qualifier and includes marathon, half marathon, 10K, 5K, and marathon relay events on a double-loop course through downtown Sudbury, New Sudbury, and Minnow Lake. It has raised more than $1 million for local charities, including the Northern Cancer Foundation and Health Sciences North Foundation, and is organized by the Sudbury Rocks!! Running Club.

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Course Map

Course Map Unavailable

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FAQ

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When is the 2026 Sudbury Rocks Marathon?

The 2026 Sudbury Rocks Marathon will be held on Sunday May 24, 2026.

Is the Sudbury Rocks Marathon a Boston Marathon Qualifier?

Yes, the Sudbury Rocks Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Sudbury Rocks Marathon?

The forecast calls for a high of 52°F and a low of 46°F with a 0% chance of rain.

Historical Weather

Based on 3 years of data
Avg Temp
60°F
L:49° H:60°
RunScore
8
Conditions
Rain Freq
67%
2 of 3 yrs
Wind9mph
Dew49°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults

2026 Sudbury Rocks Marathon

Cloudy skies throughout the day with late afternoon rain.

2026
cloudy
48°/52°Light
8

2025 Sudbury Rocks Marathon

Partly cloudy throughout the day with rain clearing later.

2025
rain
50°/59°Light
8

2024 Sudbury Rocks Marathon

Partly cloudy throughout the day.

2024
cloudy
50°/70°-
9

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Free guidesMarathon Fueling Guide·Carb Loading Guide·Race Morning Guide·Race Day Gear Guide·Pacing Strategy Guide·Mental Strategy Guide

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