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Marathons Found In Ontario in Fall
View all ↓Marathons in Ontario in Fall 2025
findarace.com is Canada's favourite event discovery site. Check out our list of Fall 2025 Marathons in Ontario below.
Race Calendar: Marathons Found In Fall
TCS Toronto Waterfront Marathon Long Run #1
Toronto, ON
19 Jul 25
100KM MOVE
Oakville, ON
15 Sep 25
$142.52
Cooper Robertson Foundation – Run With Coops!
Grimsby, ON
03 Oct 25
Free - $20.00
2025 Muskoka Marathon
Bracebridge, ON
05 Oct 25
$22.94 - $152.13
2025 TCS Toronto Waterfront Marathon
Toronto, ON
18 Oct 25
2025 Women's Training Program
Toronto, ON
19 Oct 25
Free
U.S. & International Registrants, Niagara Falls 5k, 10k, Half & Marathon 2025
Niagara Falls, ON
26 Oct 25
$41.50 - $144.98
Niagara Falls 5k, 10k, Half & Marathon 2025
Niagara Falls, ON
26 Oct 25
$41.50 - $150.42
2025 Hamilton Marathon Road2Hope
Hamilton, ON
01 Nov 25
$1.00 - $10.00
Run to End Child Hunger
Toronto, ON
31 Dec 25
$40.00
Showing 1-10 of 10 results