Niagara Falls Marathon
Niagara Falls, Ontario, Canada
Half marathons in Ontario, Canada
2026 and 2027 race calendar. 9 upcoming, updated daily.
October 2026
Hamilton Marathon Road2Hope
Hamilton, Ontario, Canada · Oct 31 to Nov 1, 2026
February 2027
Chilly Half Marathon
Burlington, Ontario, Canada
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
Forest City Road Races
London, Ontario, Canada
Community Strong Race Weekend
Sault Ste. Marie, Ontario, Canada · Jun 19 to Jun 20, 2027