Half Marathon Races in Ontario 2026
Trail
Falling Water Trail Marathon/ Half Marathon 2026
Aug 8, 2026
Eugenia, Ontario
63.3KHalf MarathonMarathon
Trail
The ENDURrun 2026
Aug 9, 2026
Waterloo Region, Ontario
5K10 Mile10KHalf Marathon+4
Trail
2026 XTERRA Sleeping Giant
Aug 16, 2026
Thunder Bay, ON
Half Marathon10K5K
Road
GLO Toronto Half/10K/5K Run 2026
Aug 23, 2026
Toronto, Ontario
Half Marathon10K5K
Road
WINDSOR WATERFRONT HALF MARATHON & 5KM 2026
Sep 13, 2026
Windsor, ON
Half Marathon5K
Road
2026 Canada Army Run / Course de lArmée du Canada
Sep 20, 2026
Ottawa, ON
10KHalf Marathon5K21K
Road
2026 Great Rift Community Half Marathon
Sep 27, 2026
Hamilton, ON
5KHalf Marathon
Road
Big Little Run 2026
Sep 27, 2026
Guelph, ON
5K10KHalf Marathon
Road
TCS Toronto Waterfront Marathon 2026
Oct 17, 2026
Toronto, ON
Half Marathon5KMarathon
Road
2026 Niagara Falls 10k, Half & Marathon
Oct 25, 2026
Niagara Falls, ON
10KHalf MarathonMarathon
Road
2026 U.S. & International Registrants, Niagara Falls 10k, Half & Marathon
Oct 25, 2026
Niagara Falls, ON
10KMarathonHalf Marathon
Road
2026 Hamilton Marathon Road2Hope
Oct 31, 2026
Hamilton, ON
Marathon5KHalf Marathon10K+1