Sudbury Rocks Marathon

Sudbury, ON, Canada · May 30, 2027·

57°·68° high·Light·Dry

Weather

Race Day Weather

57°at start

70° high

Breezy

Dry

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Comfortable start, warm finish

Runners will face a temperature trend from 57°F at the start to 68°F by late morning. With light winds from the SW and humidity at 64%, hydration will be crucial, especially as temperatures rise. A conservative pacing strategy is advised to manage the warming conditions effectively.

Race day forecast available in 191 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

Race weekend

Sunday, May 30

7:55 AMMarathon (26.2 mi)

7:55 AMHalf Marathon (13.1 mi)8:35 AM10K (6.2 mi)

9:00 AM5K (3.1 mi)

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

54°F

L:48° H:61°

RunScore

Conditions

Rain Freq

50%

2 of 4 yrs

Wind6mph

Dew47°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°/50°	Light	49°
2025 Sudbury Rocks Marathon Partly cloudy throughout the day with rain clearing later. 2025	48°/59°	Light	47°
2024 Sudbury Rocks Marathon Partly cloudy throughout the day. 2024	50°/63°	-	52°
2023 Sudbury Rocks Marathon Clear conditions throughout the day. 2023	47°/74°	-	41°

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