Clear All
Marathons Near Ontario
Showing the next 13 runs that match your filters
Featured
SuperPower 5K
Get $5 Off - Use Code RUNGUIDES
Date: Aug 29, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: Old Toronto, Ontario
Featured
PUMA Toronto Women's Spring 10k/5k
Women set the pace
Date: May 23, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: Toronto, Ontario
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
Buffalo Marathon
Date: May 23-24, 2026 - Saturday to Sunday
Size: 5,000 - 10,000 participants
Location: Buffalo, New York
Sudbury Rocks Marathon
Date: May 24, 2026 - Sunday
Size: 1,000 - 5,000 participants
Location: Sudbury, Ontario
Are you organizing a running event?
Niagara Ultra
Date: Jun 20, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Niagara-on-the-Lake, Ontario
Georgina Marathon and Half Marathon
Date: Sep 13, 2026 - Sunday
Size: 1,000 - 5,000 participants
Location: Sutton, Ontario
Muskoka Marathon Weekend
Get $10 Off - Use Code RUNGUIDES26
Date: Oct 3-4, 2026 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: Bracebridge, Ontario
Prince Edward County Marathon
Get $15 Off - Use Code RUNG26
Date: Oct 4, 2026 - Sunday
Size: 1,000 - 5,000 participants
Location: Picton, Ontario
TCS Toronto Waterfront Marathon
Date: Oct 17-18, 2026 - Saturday to Sunday
Size: 10,000+ participants
Location: Toronto, Ontario
Niagara Falls Marathon
Date: Oct 25, 2026 - Sunday
Size: 1,000 - 5,000 participants
Location: Niagara Falls, Ontario
Hamilton Marathon Road2Hope
Date: Oct 31-Nov 1, 2026 - Saturday to Sunday
Size: 500 - 1,000 participants
Location: Hamilton, Ontario
Mississauga Marathon
Date: Apr, 2027 (TBD)
Size: 5,000 - 10,000 participants
Location: Mississauga, Ontario
Toronto Marathon
Date: May, 2027 (TBD)
Size: 10,000+ participants
Location: Toronto, Ontario
Georgina Spring Fling
Date: May, 2027 (TBD)
Size: 1,000 - 5,000 participants
Location: Sutton, Ontario
