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Ultra Marathons Found In Ontario in May
View all ↓Ultra Marathons in Ontario in May 2026
findarace.com is Canada's favourite event discovery site. Check out our list of May 2026 Ultra Marathons in Ontario below.
Race Calendar: Ultra Marathons Found In May
The Rugged Raccoon Night Race 2026
St. Marys, ON
Sat 02 May 26
$78.50 - $111.18
Conquer The Canuck
Cambridge, ON
Sat 09 May 26
$94.83 - $329.03
Seaton Scramble Trail Race
Pickering, ON
Sat 09 May 26
$7.00 - $111.18
Sulphur Springs Trail Race 2026
Hamilton, ON
Sat 23 May 26
$50.00 - $346.77
Spin the Lakes 2026
Huntsville, ON
Sat 23 May 26
$165.64
Baden Running Races 2026
Baden, ON
Sun 24 May 26
Free - $55.62
The Endless Pit Backyard Ultra
Midland, ON
Sat 30 May 26
$83.17
TTUAH - Trail Terrier Ultra Around Hamilton
Carlisle, ON
Sat 30 May 26
$66.98
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