2017 - 2018 Canada Ultramarathon Calendar in May

Browse our Ultramarathon Calendar for races organized in Canada during the month of May among 15 races.

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15 races

Island Runner Elk/Beaver Ultras

100K
May 13, 2017 Race day in 4 months
Canada / British Columbia / Victoria
Ultramarathon - 100 kilometers
Flat Trail

Island Runner Elk/Beaver Ultras

50K
May 13, 2017 Race day in 4 months
Canada / British Columbia / Victoria
Ultramarathon - 50 kilometers
Flat Trail

Island Runner Elk/Beaver Ultras

50 Miles
May 13, 2017 Race day in 4 months
Canada / British Columbia / Victoria
Ultramarathon - 50 miles
Flat Trail

Blackfoot Ultra

Blackfoot Ultra 100KM
May 27, 2017 Race day in 4 months
Canada / Alberta / Edmonton
Ultramarathon - 100 kilometers

Blackfoot Ultra

Blackfoot Ultra 50 Km
May 27, 2017 Race day in 4 months
Canada / Alberta / Edmonton
Ultramarathon - 50 kilometers
Trail

Blackfoot Ultra

Blackfoot Ultra 50 Miler
May 27, 2017 Race day in 4 months
Canada / Alberta / Edmonton
Ultramarathon - 50 miles
Trail

Scotiabank Calgary Marathon

Calgary Marathon 50K Ultra
May 28, 2017 Race day in 4 months
Canada / Alberta / Calgary
Ultramarathon - 50 kilometers
Charity Road Running

The North Face Dirty Feet Kal Park 50

The North Face Dirty Feet Kal Park 50
May 01, 2016 The race has already taken place.
Canada / British Columbia / Vernon
Ultramarathon - 50 kilometers
Trail North Face Dirty Feet Trail Series Mountain

Run for the Braggin' Rights

Run for the Braggin' Rights
May 07, 2016 The race has already taken place.
Canada / Alberta / Calgary
Ultramarathon - 50 miles

Run for the Braggin' Rights

Run for the Braggin' Rights - Relay
May 07, 2016 The race has already taken place.
Canada / Alberta / Calgary
Ultramarathon - 50 miles
Relay

Seaton Trail Race

Seaton Trail 50 km Trail
May 14, 2016 The race has already taken place.
Canada / Ontario / Pickering
Ultramarathon - 50 kilometers
Trail

Run for Water

55 km
May 28, 2016 The race has already taken place.
Canada / British Columbia / Abbotsford
Ultramarathon - 55 kilometers

Sulphur Springs Trail Run

Sulphur Springs 100 Mile Trail Run
May 28, 2016 The race has already taken place.
Canada / Ontario / Ancaster
Ultramarathon - 100 miles
Trail Relay

Sulphur Springs Trail Run

Sulphur Springs 50K Trail Run
May 28, 2016 The race has already taken place.
Canada / Ontario / Ancaster
Ultramarathon - 50 kilometers
Trail

Sulphur Springs Trail Run

Sulphur Springs 50 Mile Trail Run
May 28, 2016 The race has already taken place.
Canada / Ontario / Ancaster
Ultramarathon - 50 miles
Trail