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Half Marathons Found In Ontario in Summer
View all ↓Half Marathons in Ontario in Summer 2026
findarace.com is Canada's favourite event discovery site. Check out our list of Summer 2026 Half Marathons in Ontario below.
Race Calendar: Half Marathons Found In Summer
The Don McMaster Memorial 12 Mile Creek Trail Half Marathon & 7k
St. Catharines, ON
Sat 06 Jun 26
$62.15 - $73.05
Honda Waterfront Run Barrie
Barrie, ON
Sun 07 Jun 26
$23.07 - $114.05
Buttertart Trot 2026
Midland, ON
Sat 13 Jun 26
Free - $110.14
Kawartha Sun Run 2026
Kawartha Lakes, ON
Sun 14 Jun 26
$69.90 - $126.28
Community Strong Race Weekend
Sault Ste. Marie, ON
Sat 20 Jun 26
$18.44 - $93.96
Niagara Ultra 2026
Niagara-on-the-Lake, ON
Sat 20 Jun 26
$30.36 - $194.00
Falling Water Trail Marathon/ Half Marathon 2026
Eugenia, ON
Sat 08 Aug 26
Free - $187.42
XTERRA Sleeping Giant - 2026
Thunder Bay, ON
Sun 16 Aug 26
$66.97 - $191.06
GLO Toronto
Toronto
Sat 22 Aug 26
$55.00 - $115.00
Showing 1-9 of 9 results