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Half Marathons Found In Ontario in October
View all ↓Half Marathons in Ontario in October 2025
findarace.com is Canada's favourite event discovery site. Check out our list of October 2025 Half Marathons in Ontario below.
Race Calendar: Half Marathons Found In October
2025 Muskoka Marathon
Bracebridge, ON
05 Oct 25
$24.02 - $143.84
Oakville 21.1
Oakville, ON
05 Oct 25
$64.27 - $126.28
2025 TCS Toronto Waterfront Marathon
Toronto, ON
18 Oct 25
$65.40 - $234.53
Cornwall Multisport Club - Fall Road Race 2025
Cornwall, ON
25 Oct 25
$2.00 - $25.00
Niagara Falls 5k, 10k, Half & Marathon 2025
Niagara Falls, ON
26 Oct 25
U.S. & International Registrants, Niagara Falls 5k, 10k, Half & Marathon 2025
Niagara Falls, ON
26 Oct 25
Showing 1-6 of 6 results