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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
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
$75.54 - $143.19
Whiskey Run London
London, ON
29 Jun 25
$77.41 - $99.19
Whiskey Run Toronto
Burlington, ON
06 Jul 25
$73.05 - $93.74
Falling Water Trail Marathon/ Half Marathon 2025
Eugenia, ON
09 Aug 25
Free - $187.42
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