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Ultra Marathons Found In Ontario
View all ↓Race Calendar: Ultra Marathons Found In Ontario
Middle Path Trail Race
Peterborough County, ON
09 Aug 25
$34.62 - $131.73
Couch To a Voyageur
North Bay, ON
10 Aug 25
$74.58
2025 Gran Fondo Lake Huron
Southampton, ON
16 Aug 25
$28.49 - $180.11
Mudskipper Canadian Individual SwimRun Championships and Parry Sound 15K Ultra Swim
Parry Sound, ON
17 Aug 25
$2.50 - $231.00
Share the Road Gran Fondo
Milton, ON
17 Aug 25
$56.20 - $245.02
Share the Road Gran Fondo 2025
Milton, ON
17 Aug 25
$56.71 - $247.33
The Runway 2025
Breslau, ON
30 Aug 25
Free - $51.26
Haliburton Forest Trail Race 2025
Haliburton, ON
06 Sep 25
Free - $223.43
Grey Highlands Gran Fondo
Markdale, ON
06 Sep 25
$97.16 - $182.27
The Mike Currie Memorial
Blenheim, ON
06 Sep 25
$29.23 - $50.81
Welland Canal Open Water Swim
Welland, ON
07 Sep 25
$104.75 - $131.73
Rodney Fair Road Race
Rodney, ON
14 Sep 25
Free - $40.02
The Wolfpack Ultra Championship
Hamilton, ON
20 Sep 25
$56.20 - $115.54
Monster of Mazinaw Trail Race 2025
Cloyne, ON
20 Sep 25
$83.94 - $105.72
Monarch Ultra 10km
Peterborough, ON
20 Sep 25
$23.83 - $72.38
Rotary Tour de Dundas Gran Fondo 2025
Dundas, ON
21 Sep 25
Free - $131.73
100KM MOVE
Oakville, ON
26 Sep 25
$75.00
Essex Region Conservation Bike Tour 2025
Kingsville, ON
27 Sep 25
$13.04 - $104.75
Run Off-the-Grid
Mattawan, ON
27 Sep 25
Free - $437.95
Tour d'Aldershot 2025
Burlington, ON
27 Sep 25
$30.07 - $57.90
BLUE BULLY ULTRA
Blue Mountains, ON
03 Oct 25
$30.00 - $389.00
9th Annual UMEI Lightning Bolt
Essex County, ON
04 Oct 25
$29.23 - $169.49
Manotick Backyard Ultra
Ottawa, ON
04 Oct 25
$24.03 - $89.39
TMMC Fall 5 KM Classic
Cambridge, ON
05 Oct 25
Free - $62.15
Run The Caves
Peterborough, ON
05 Oct 25
$13.04 - $100.28
Sticks n' Stones Trail Race 2025
Hamilton, ON
11 Oct 25
$73.05 - $274.57
Phoenix Trail Races
London, ON
18 Oct 25
$85.76
Wise Raven Trail Race
Waterloo, ON
18 Oct 25
$56.20 - $282.78
Long Sault Trail Race & Ultra
Bowmanville, ON
18 Oct 25
$18.58 - $111.18
The Bad Thing 2025
Auburn, ON
25 Oct 25
The Beav Trail Race 2025
Milton, ON
01 Nov 25
$89.39 - $132.96
Fat Ass Trail Run
Quinte West, ON
16 Nov 25
$51.26 - $83.94
Showing 1-32 of 32 results