Course
Marathon42.2 km
Half Marathon21.1 km
10K10 km
5K5 km
Key dates
- ★Race dayMay 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
About
SudburyROCKS!!! is a marathon weekend in Sudbury, Ontario, offering marathon, half marathon, 10K and 5K distances each May, playing on the city's rocky Canadian Shield identity in its name.
Your next race, seen from above.
Save SudburyROCKS!!! Marathon to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save SudburyROCKS!!! Marathon to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.