The 2026 Sudbury Rocks Marathon has concluded.

Sudbury Rocks Marathon

Race complete
Sudbury, ON, Canada · May 24, 2026
cloudy48°·50° high·Breezy·Dry
10
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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.

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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.

Race weekend

Sunday, May 24
7:55 AMMarathon (26.2 mi)
Half Marathon (13.1 mi)
10K (6.2 mi)
5K (3.1 mi)
Area Map

Course Map

FAQ

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
52°F
L:49° H:57°
RunScore
9
Conditions
Rain Freq
67%
2 of 3 yrs
Wind7mph
Dew49°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
cloudy
48°/50°Light
10
2025
partly-cloudy-day
48°/59°Light
9
2024
partly-cloudy-day
50°/63°-
8