2018 - 2019 Ontario Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in Ontario among 20 races.

20 races

Niagara Ultra

100 Km
06/16/2018 - 06:30
North America / Canada / Ontario / Niagara-on-the-Lake
Ultramarathon
Running

Niagara Ultra

50 Km
06/16/2018 - 07:00
North America / Canada / Ontario / Niagara-on-the-Lake
Ultramarathon
Running

Pick Your Poison Trail Run

Pick Your Poison 50K Trail Run
04/29/2017 - 09:00
North America / Canada / Ontario / Orillia
Ultramarathon
Trail Running

Seaton Trail Race

Seaton Trail 50 km Trail
05/13/2017 - 07:00
North America / Canada / Ontario / Pickering
Ultramarathon
Trail Running

Sulphur Springs Trail Race

200 Mile
05/25/2017 - 12:00
North America / Canada / Ontario / Ancaster
Ultramarathon
Trail Running

Sulphur Springs Trail Race

50 Mile
05/27/2017 - 06:00
North America / Canada / Ontario / Ancaster
Ultramarathon
Trail Running

Sulphur Springs Trail Race

100 Mile
05/27/2017 - 06:00
North America / Canada / Ontario / Ancaster
Ultramarathon
Trail Running

Sulphur Springs Trail Race

50K
05/27/2017 - 07:30
North America / Canada / Ontario / Ancaster
Ultramarathon
Trail Running

Conquer the Canuck Marathon Ultra Trail Weekend

50 km
06/10/2017 - 08:00
North America / Canada / Ontario / Cambridge
Ultramarathon
Trail Running

The North Face Endurance Challenge Ontario

50 Km
07/15/2017 - 07:00
North America / Canada / Ontario / Blue Mountain Resort
Ultramarathon
Trail Running

The North Face Endurance Challenge Ontario

GORE-TEX 50 Mile
07/15/2017 - 05:00
North America / Canada / Ontario / Blue Mountain Resort
Ultramarathon
Trail Running Hilly

Ragnar Trail Cottage Country-ON, Presented by Salomon

09/08/2017 - 09:00
North America / Canada / Ontario / Oro-Medonte
Ultramarathon
Trail Running
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