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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
2026 Beneva Mississauga Marathon
Mississauga, ON
Sun 26 Apr 26
Georgina Spring Fling 2026
Georgina, ON
Sun 03 May 26
$69.90 - $143.19
2026 Toronto Marathon
Toronto, ON
Sun 03 May 26
Marathons For Mental Health 5k/10k Race
London, ON
Sun 24 May 26
$45.41 - $61.59
SudburyROCKS 2026
Greater Sudbury, ON
Sun 24 May 26
Free - $390.68
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