Niagara Falls Marathon
Niagara Falls, Ontario, Canada
Marathons in Ontario, Canada
2026 and 2027 race calendar. 7 upcoming, updated daily.
October 2026
Hamilton Marathon Road2Hope
Hamilton, Ontario, Canada · Oct 31 to Nov 1, 2026
April 2027
Beneva Mississauga Marathon
Mississauga, Ontario, Canada
May 2027
Toronto Marathon
Toronto, Ontario, Canada
Sudbury Rocks Marathon
Sudbury, Ontario, Canada · May 29 to May 30, 2027
Tamarack Ottawa Race Weekend
Ottawa, Ontario, Canada · May 29 to May 30, 2027
June 2027
Community Strong Race Weekend
Sault Ste. Marie, Ontario, Canada · Jun 19 to Jun 20, 2027