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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
Share the Road Gran Fondo 2026
Milton, ON
Sun 20 Sep 26
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 1-9 of 9 results