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51 marathons found for Ultra marathon, Canada. Keep the list broad first, then tighten the filters when a race looks realistic.





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Canada
26SEP
ULTRA
5th Rockcut Ultra Marathon - 50km
Canada
September 26, 2026 SEP
Canada
26SEP
ULTRA
Climbing for Change 2026
Canada
September 26, 2026 SEP
Canada
26SEP
ULTRA
Run Off-the-Grid
Canada
September 26, 2026 SEP
Canada
27SEP
ULTRA
Blue Bully Ultra
Canada
September 27, 2026 SEP
Canada
02OCT
ULTRA
9th Beaudry Fall Classic 6 Hour Race - 6h
Canada
October 2, 2026 OCT
Canada
03OCT
ULTRA
12th Relentless at the Ark Trail Race - 50km
Canada
October 3, 2026 OCT
Canada
03OCT
ULTRA
16th Whistler 50 Race - 50km
Canada
October 3, 2026 OCT
Canada
03OCT
ULTRA
18th Iron Horse Ultra 60 km Race - 60km
Canada
October 3, 2026 OCT
Canada
03OCT
ULTRA
9th UpRiver Running Fall Races - 50km
Canada
October 3, 2026 OCT
Canada
03OCT
ULTRA
Flatlanders Road Race
Canada
October 3, 2026 OCT
Canada
03OCT
ULTRA
Manotick Backyard Ultra
Canada
October 3, 2026 OCT
Canada
03OCT
ULTRA
Saddle Hills Ultra
Canada
October 3, 2026 OCT
Canada
03OCT
ULTRA
Whistler 50 Relay and Ultra
Canada
October 3, 2026 OCT
Canada
04OCT
ULTRA
Bromont Ultra
Canada
October 4, 2026 OCT
Canada
04OCT
ULTRA
Run The Caves
Canada
October 4, 2026 OCT
Canada
04OCT
ULTRA
The Chiggy Ultra - 2026
Canada
October 4, 2026 OCT
Canada
04OCT
ULTRA
The Hustle at Pinehurst
Canada
October 4, 2026 OCT
Canada
10OCT
ULTRA
15th Grizzly Ultra Marathon - 50km
Canada
October 10, 2026 OCT
Canada
10OCT
ULTRA
Sticks n' Stones Trail Race 2026
Canada
October 10, 2026 OCT
Canada
11OCT
ULTRA
Valley Harvest Marathon
Canada
October 11, 2026 OCT
Canada
17OCT
ULTRA
13ème Bromont Ultra 160 Km Trail Run - 160km
Canada
October 17, 2026 OCT
Canada
17OCT
ULTRA
13ème Bromont Ultra 55 Km Trail Run - 55km
Canada
October 17, 2026 OCT
Canada
17OCT
ULTRA
13ème Bromont Ultra 80 Km Trail Run - 80km
Canada
October 17, 2026 OCT
Canada
17OCT
ULTRA
14th Creemore Vertical Challenge 55 km Trail Run - 55km
Canada
October 17, 2026 OCT

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