Niagara Falls Marathon
Niagara Falls, Ontario, Canada
5K races in Ontario, Canada
2026 and 2027 race calendar. 10 upcoming, updated daily.
October 2026
Hamilton Marathon Road2Hope
Hamilton, Ontario, Canada · Oct 31 to Nov 1, 2026
April 2027
Toronto Beneva Spring Run-Off
Toronto, Ontario, Canada
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
September 2027
Tough Mudder Toronto
Thedford, Ontario, Canada · Sep 11 to Sep 12, 2027