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Marathons Found In Ontario in Fall
View all ↓Marathons in Ontario in Fall 2026
findarace.com is Canada's favourite event discovery site. Check out our list of Fall 2026 Marathons in Ontario below.
Race Calendar: Marathons Found In Fall
Community Strong Race Weekend
Sault Ste. Marie, ON
Sat 20 Jun 26
$21.67 - $93.96
Niagara Ultra 2026
Niagara-on-the-Lake, ON
Sat 20 Jun 26
$25.00 - $210.34
2026 Muskoka Marathon
Bracebridge, ON
Sat 03 Oct 26
$49.81 - $168.28
2026 TCS Toronto Waterfront Marathon
Toronto, ON
Sat 17 Oct 26
2026 Women's Training Program
Toronto, ON
Sun 18 Oct 26
Free
Niagara Falls 10k, Half & Marathon 2026
Niagara Falls, ON
Sun 25 Oct 26
$57.84 - $150.42
U.S. & International Registrants, Niagara Falls 10k, Half & Marathon 2026
Niagara Falls, ON
Sun 25 Oct 26
$57.84 - $134.09
2026 Hamilton Marathon Road2Hope
Hamilton, ON
Sat 31 Oct 26
$1.00 - $10.00
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