Ultra marathons in Ontario, Canada
29 races
High Noon 24Hr Trail Race & Relay
Jun 14, 2025 (Sat)
Thunder Bay, Ontario, Canada
CA$100.89 - CA$167.4
Rainbow Trail Run
Jun 14, 2025 (Sat)
Alliston, Ontario, Canada
1.4
Niagara Ultra
Jun 21, 2025 (Sat)
Niagara On The Lake, Ontario, Canada
1
Sunburn Solstice Run
Jun 21, 2025 (Sat)
Mount Hope, Ontario, Canada
FitFarm Little Loop Ultra
Jun 22, 2025 (Sun)
Strathory, Ontario, Canada
Utopia Backyard Ultra
Jun 27-28, 2025 (Fri-Sat)
Utopia, Ontario, Canada
Limberlost Challenge
Jul 5, 2025 (Sat)
Lake of Bays, Ontario, Canada
1.4
First Blaze Trail Race
Jul 12, 2025 (Sat)
Milton, Ontario, Canada
1.1
SOO 200
Jul 21, 2025 (Mon)
Sault Ste. Marie, Ontario, Canada
3.3
Tally in the Valley
Jul 26, 2025 (Sat)
Dundas, Ontario, Canada
2.6
Persistence Backyard Ultra
Aug 2, 2025 (Sat)
Arva, Ontario, Canada
Middle Path Ultra and Trail Race
Aug 9, 2025 (Sat)
Peterborough, Ontario, Canada
1.3
The Devil's Key Trail Race
Aug 23, 2025 (Sat)
Duntroon, Ontario, Canada
1.6
Haliburton Forest Trail Race
Sep 5, 2025 (Fri)
Haliburton Forest, Ontario, Canada
1.2 - 2.5
That Dam Hill
Sep 20, 2025 (Sat)
Springbank Park, London, Ontario, Canada
Run Off-The-Grid
Sep 27, 2025 (Sat)
Mattawa, Ontario, Canada
1.4
UpRiver Running Fall Races
Oct 4, 2025 (Sat)
Thunder Bay, Ontario, Canada
1.3
CA$100
Sticks n' Stones Trail Race
Oct 11, 2025 (Sat)
Dundas, Ontario, Canada
1.2
Phoenix Trail Races
Oct 18, 2025 (Sat)
London, Ontario, Canada
1.2
Creemore Vertical Challenge
Oct 18, 2025 (Sat)
Creemore, Ontario, Canada
1.4 - 1.9
The Bad Thing
Oct 25, 2025 (Sat)
Goderich, Ontario, Canada
1.2
The Beav Trail Race
Nov 1, 2025 (Sat)
Milton, Ontario, Canada
1.1
Fat Ass Trail Run
Nov 16, 2025 (Sun)
Quinte West, Ontario, Canada
The Foxtail Rail Trail Race
Apr 18, 2026 (Sat)
Dundas, Ontario, Canada
Pick Your Poison Trail Run
Apr 25, 2026 (Sat)
Orillia, Ontario, Canada
Showing 1 - 25 of 29 events