2018 - 2019 Ontario Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in Ontario among 21 races.

21 races

Sri Chinmoy Ultras Ottawa

200K
2018-07-28 - 08:00
North America / Canada / Ontario / Ottawa
Ultramarathon
Road Running Multiple loops Solo

Sri Chinmoy Ultras Ottawa

100 Mile
2018-07-28 - 08:00
North America / Canada / Ontario / Ottawa
Ultramarathon
Road Running Multiple loops Solo

Sri Chinmoy Ultras Ottawa

100K
2018-07-28 - 08:00
North America / Canada / Ontario / Ottawa
Ultramarathon
Road Running Multiple loops Solo

Sri Chinmoy Ultras Ottawa

50 Mile
2018-07-28 - 08:00
North America / Canada / Ontario / Ottawa
Ultramarathon
Road Running Multiple loops Solo

Sri Chinmoy Ultras Ottawa

50K
2018-07-28 - 08:00
North America / Canada / Ontario / Ottawa
Ultramarathon
Road Running Multiple loops Solo

The Bad Thing Race - 25km & 50km

50 km
2018-10-20 - 07:00
North America / Canada / Ontario / Goderich
Ultramarathon
Trail Running Solo

Sulphur Springs Trail Race

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

Sulphur Springs Trail Race

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

Sulphur Springs Trail Race

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

Sulphur Springs Trail Race

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

Ragnar Trail Cottage Country-ON, Presented by Salomon

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

Haliburton Forest Trail Race

50 km
2017-09-09 - 06:00
North America / Canada / Ontario / Haliburton Forest
Ultramarathon
Trail Running
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