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Ultra Marathons Near Ontario
Showing the next 13 runs that match your filters
Featured
Toronto Marathon
Point to point BQ course
Date: May 3, 2026 - Sunday
Size: 10,000+ participants
Location: Toronto, Ontario
Caledon Crusher
Get 10% Off - Use Code CC10
Date: Apr 11, 2026 - Saturday
Size: 100 - 500 participants
Location: Mono, Ontario
Pick Your Poison Trail Run
Date: Apr 25, 2026 - Saturday
Size: 100 - 500 participants
Location: Barrie, Ontario
Conquer the Canuck
Get 10% Off - Use Code CONQUER2026
Date: May 9, 2026 - Saturday
Size: 100 - 500 participants
Location: Cambridge, Ontario
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Sehgahunda Trail Marathon, Marathon Relay & Vale of Three Falls
Date: May 16-17, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Hunt, New York
Sulphur Springs Trail Race
Date: May 23-24, 2026 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: Hamilton, Ontario
The Ribbon 200
Get 10% Off - Use Code RG10
Date: Jun 10-14, 2026 - Wednesday to Sunday
Size: 100 - 500 participants
Location: The Blue Mountains, Ontario
Rainbow Trail Run
Date: Jun 13, 2026 - Saturday
Size: 100 - 500 participants
Location: Adjala-Tosorontio, Ontario
Niagara Ultra
Date: Jun 20, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Niagara-on-the-Lake, Ontario
The Whole Enchilada
Date: Jun 20, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Uxbridge, Ontario
The Limberlost Challenge
Date: Jul 4, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Huntsville, Ontario
The ENDURrun
Date: Aug 9-16, 2026 - Sunday to Sunday
Size: 100 - 500 participants
Location: Conestogo, Ontario
Haliburton Forest Trail Run
Date: Sep 12-13, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Haliburton, Ontario
Creemore Vertical Challenge
Date: Oct 17, 2026 - Saturday
Size: 100 - 500 participants
Location: Creemore, Ontario
