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Half Marathons Found In Ontario in Summer
View all ↓Half Marathons in Ontario in Summer 2025
findarace.com is Canada's favourite event discovery site. Check out our list of Summer 2025 Half Marathons in Ontario below.
Race Calendar: Half Marathons Found In Summer
St. Clair River Run
Port Lambton, ON
01 Jun 25
$23.83 - $100.28
Honda Waterfront Run Barrie
Barrie, ON
01 Jun 25
$23.07 - $114.05
Niagara's 12 Mile Creek Trail Half Marathon & 7k Cancer Run
St. Catharines, ON
07 Jun 25
$62.15 - $73.05
Krista Johnson Memorial Run
Pembroke, ON
08 Jun 25
$18.44 - $61.59
Big Little Run 2025
Guelph, ON
08 Jun 25
$45.41 - $77.77
Forest City Road Races 2025
London, ON
08 Jun 25
$30.60 - $112.31
Buttertart Trot
Midland, ON
14 Jun 25
Niagara Ultra 2025
Niagara-on-the-Lake, ON
21 Jun 25
Community Strong Race Weekend
Sault Ste. Marie, ON
21 Jun 25
$15.20 - $66.98
Kawartha Sun Run
Kawartha Lakes, ON
22 Jun 25
$69.90 - $126.28
Whiskey Run London
South London, ON
29 Jun 25
$73.05 - $93.74
Whiskey Run Toronto
Burlington, ON
06 Jul 25
$62.15 - $77.41
Falling Water Trail Marathon/ Half Marathon 2025
Eugenia, ON
09 Aug 25
$100.28 - $176.53
Showing 1-13 of 13 results