Sudbury Rocks Marathon

Sudbury, ON, Canada · May 30, 2027

57°·70° high·Light·Dry

Weather

Race Day Weather

57°at start

70° high

Breezy

Dry

Cool start, warming up

Runners will face a temperature trend starting at 57°F and rising to 68°F. With humidity at 64% and light winds from the SW, pacing should be steady but adaptable. Adjustments may be necessary as temperatures increase, especially in the later stages of the race.

Race day forecast available in 185 days

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Distance: 26.2mi

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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.

Website

Course Map

FAQ

When is the 2027 Sudbury Rocks Marathon?

The 2027 Sudbury Rocks Marathon will be held on Sunday May 30, 2027.

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 2027 Sudbury Rocks Marathon?

The forecast calls for a high of 71°F and a low of 50°F with a 8% chance of rain.

Historical Weather

Based on 4 years of data

Avg Temp

65°F

L:50° H:65°

RunScore

Conditions

Rain Freq

50%

2 of 4 yrs

Wind8mph

Dew45°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Sudbury Rocks Marathon Cloudy skies throughout the day with late afternoon rain. 2026	48°/52°	Light	50°
2025 Sudbury Rocks Marathon Partly cloudy throughout the day with rain clearing later. 2025	50°/59°	Light	47°
2024 Sudbury Rocks Marathon Partly cloudy throughout the day. 2024	50°/70°	-	52°
2023 Sudbury Rocks Marathon Clear conditions throughout the day. 2023	54°/81°	-	39°

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