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Ultra Marathons Found In Ontario in October
View all ↓Ultra Marathons in Ontario in October 2026
findarace.com is Canada's favourite event discovery site. Check out our list of October 2026 Ultra Marathons in Ontario below.
Race Calendar: Ultra Marathons Found In October
The Rides of Oktoberfest
Kingsville, ON
Sat 03 Oct 26
Free
Run The Caves
Warsaw, ON
Sun 04 Oct 26
$13.04 - $261.21
The Hustle at Pinehurst
Ayr, ON
Sun 04 Oct 26
Free - $514.71
Sticks n' Stones Trail Race 2026
Hamilton, ON
Sat 10 Oct 26
Wise Raven Trail Race
Waterloo, ON
Sat 17 Oct 26
$56.20 - $282.78
Long Sault Trail Race & Ultra
Bowmanville, ON
Sat 17 Oct 26
$18.58 - $122.07
Phoenix Trail Races
London, ON
Sat 17 Oct 26
$6.00 - $101.53
Fall 5 KM Classic 2026
Cambridge, ON
Sun 18 Oct 26
Free - $67.60
The Bad Thing 2026
Auburn, ON
Sat 24 Oct 26
Horseshoe Valley Hustle Trail & Ultra Challenge
Barrie, ON
Sat 31 Oct 26
$8.00 - $216.49
Trick or Trot 2026
Waterloo, ON
Sat 31 Oct 26
Free - $51.26
The Beav Trail Race 2026
Milton, ON
Sat 31 Oct 26
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