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Marathons Found In Ontario in Spring
View all ↓Marathons in Ontario in Spring 2026
findarace.com is Canada's favourite event discovery site. Check out our list of Spring 2026 Marathons in Ontario below.
Race Calendar: Marathons Found In Spring
St Lawrence Marathon
Cornwall, ON
Sat 25 Apr 26
$45.82 - $100.28
2026 Beneva Mississauga Marathon
Mississauga, ON
Sun 26 Apr 26
2026 Beneva Mississauga Marathon Volunteer Page
Mississauga, ON
Sun 26 Apr 26
Georgina Spring Fling 2026
Georgina, ON
Sun 03 May 26
$75.54 - $171.38
2026 Toronto Marathon
Toronto, ON
Sun 03 May 26
SudburyROCKS 2026
Greater Sudbury, ON
Sun 24 May 26
Free - $455.43
Marathons For Mental Health 5k/10k Race
London, ON
Sun 24 May 26
$83.17
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