0044
Ultra Marathons Found In Ontario
View all ↓
Race Calendar: Ultra Marathons Found In Ontario
H+P THIS MAY BE LOOPY ULTRA
Waterloo, ON
31 May 25
Free
2025 Forest City Cycling Challenge
London, ON
01 Jun 25
Navy Bike Ride 2025 / Défi‑vélo de la Marine 2025
Ottawa, ON
01 Jun 25
Free - $93.96
Rainbow Trail Run 2025
Simcoe County, ON
14 Jun 25
Free - $132.96
Waterloo 10 KM Classic 2025
Waterloo, ON
14 Jun 25
Free - $89.39
Tanya's Ride for Brain Injury
Palgrave, ON
14 Jun 25
$7.64
Couch To a Voyageur
North Bay, ON
15 Jun 25
$130.23
Niagara Ultra 2025
Niagara-on-the-Lake, ON
21 Jun 25
$90.52 - $161.32
EyeRide 2025
Vaughan, ON
21 Jun 25
$26.84 - $53.67
FitFarm Little Loop Ultra
Strathroy, ON
22 Jun 25
$23.83 - $56.71
Run For the Kids 2025
Morpeth, ON
22 Jun 25
$23.83 - $56.20
Summit 700 Trail Runs
Grey County, ON
05 Jul 25
$1.50 - $407.53
Cornwall Multisport Club - Kids Day 2025
Cornwall, ON
05 Jul 25
Free
BIG Gravel Grind
Thedford, ON
06 Jul 25
$142.76 - $164.55
The First Blaze Trail Race 2025
Milton, ON
12 Jul 25
Free - $127.51
The 2025 ENDURrun Sport 80 KM
Conestogo, ON
13 Jul 25
$45.82 - $329.03
2025 Lindsay Milk Run
Kawartha Lakes, ON
20 Jul 25
$23.83 - $61.59
Cornwall Multisport Club - Open Water Swim 2025
Cornwall, ON
25 Jul 25
$10.00
Tally in the Valley Trail Race 2025
Hamilton, ON
26 Jul 25
$78.50 - $241.89
Persistence Backyard Ultra
Arva, ON
02 Aug 25
Bluewater International Gran Fondo 2025
Sarnia, ON
03 Aug 25
$82.36 - $190.65
Middle Path Trail Race
Peterborough County, ON
09 Aug 25
$23.83 - $110.15
2025 Gran Fondo Lake Huron
Southampton, ON
16 Aug 25
$28.49 - $180.11
Mudskipper Canadian Individual SwimRun Championships and Parry Sound 15K Ultra Swim
Parry Sound, ON
17 Aug 25
$4.00 - $214.65
The Runway 2025
Breslau, ON
30 Aug 25
Free - $45.82
Haliburton Forest Trail Race 2025
Haliburton, ON
06 Sep 25
Free - $223.43
Grey Highlands Gran Fondo
Markdale, ON
06 Sep 25
$75.89 - $139.72
Welland Canal Open Water Swim
Welland, ON
07 Sep 25
$99.36 - $120.94
Rodney Fair Road Race
Rodney, ON
14 Sep 25
Free - $40.02
Monarch Ultra 10km
Peterborough, ON
20 Sep 25
$23.83 - $72.38
The Wolfpack Ultra Championship
Hamilton, ON
20 Sep 25
$56.20 - $115.54
Monster of Mazinaw Trail Race 2025
Cloyne, ON
20 Sep 25
$78.50 - $100.28
Rotary Tour de Dundas Gran Fondo 2025
Dundas, ON
21 Sep 25
$29.23 - $131.73
Essex Region Conservation Bike Tour 2025
Kingsville, ON
27 Sep 25
$13.04 - $88.57
Run Off-the-Grid
Mattawan, ON
27 Sep 25
Free - $394.39
BLUE BULLY ULTRA
Blue Mountains, ON
03 Oct 25
$30.00 - $445.00
9th Annual UMEI Lightning Bolt
Essex County, ON
04 Oct 25
$29.23 - $169.49
Run The Caves
Peterborough, ON
05 Oct 25
$13.04 - $100.28
Sticks n' Stones Trail Race 2025
Hamilton, ON
11 Oct 25
$67.60 - $263.67
Wise Raven Trail Race
Waterloo, ON
18 Oct 25
$50.81 - $239.63
Showing 1-40 of 44 results