0010
Ultra Marathons Found In Ontario in Summer
View all ↓Ultra Marathons in Ontario in Summer 2026
findarace.com is Canada's favourite event discovery site. Check out our list of Summer 2026 Ultra Marathons in Ontario below.
Race Calendar: Ultra Marathons Found In Summer
2026 Forest City Cycling Challenge
London, ON
07 Jun 26
$83.17 - $110.15
EyeRide 2026
Vaughan, ON
20 Jun 26
$55.00
Waterloo 10 KM Classic 2026
Waterloo, ON
20 Jun 26
Free - $73.05
BIG Gravel Grind presented by Subaru of Sarnia
Thedford, ON
05 Jul 26
$88.30 - $120.98
The First Blaze Trail Race 2026
Milton, ON
11 Jul 26
The 2026 ENDURrun Prelim
Conestogo, ON
13 Jul 26
$34.93 - $220.10
Tally in the Valley Trail Race 2026
Hamilton, ON
25 Jul 26
Persistence Backyard Ultra
Arva, ON
01 Aug 26
Bluewater International Gran Fondo 2026
Sarnia, ON
02 Aug 26
$98.60 - $152.75
The 2026 ENDURrun Sport 80 KM
Conestogo, ON
09 Aug 26
$34.93 - $274.57
Showing 1-10 of 10 results