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Ultra Marathons Found In Ontario in September
View all ↓Ultra Marathons in Ontario in September 2026
findarace.com is Canada's favourite event discovery site. Check out our list of September 2026 Ultra Marathons in Ontario below.
Race Calendar: Ultra Marathons Found In September
SOO 200
Goulais River, ON
Fri 11 Sep 26
$230.00 - $1,795.00
Grey Highlands Gran Fondo 2026
Markdale, ON
Sat 12 Sep 26
$22.69 - $139.72
Haliburton Forest Trail Race 2026
Haliburton, ON
Sat 12 Sep 26
Free - $245.09
Monster of Mazinaw Trail Race 2026
Cloyne, ON
Sat 19 Sep 26
$73.05 - $100.28
Monarch Ultra 10km
Peterborough, ON
Sat 19 Sep 26
$23.83 - $77.77
Share the Road Gran Fondo 2025
Milton, ON
Sun 20 Sep 26
$56.71 - $274.57
BLUE BULLY ULTRA
Blue Mountains, Grey
Fri 25 Sep 26
Free
BLUE BULLY ULTRA
Blue Mountains, ON
Fri 25 Sep 26
$30.00 - $350.00
Run Off-the-Grid
Mattawan, ON
Sat 26 Sep 26
Free - $416.17
Rotary Tour de Dundas Gran Fondo 2026
Dundas, ON
Sun 27 Sep 26
$26.52 - $118.78
Showing 1-10 of 10 results