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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
17OCT
ULTRA
4th Backyard Ultra World Team Championships - Canada - 68h
Canada
October 17, 2026 to October 20, 2026 OCT
Canada
17OCT
ULTRA
8th Phoenix Trail Race - 50km
Canada
October 17, 2026 OCT
Canada
17OCT
ULTRA
Long Sault Trail Race & Ultra
Canada
October 17, 2026 OCT
Canada
17OCT
ULTRA
Phoenix Trail Races
Canada
October 17, 2026 OCT
Canada
17OCT
ULTRA
Wise Raven Trail Race
Canada
October 17, 2026 OCT
Canada
24OCT
ULTRA
10th ECT 50k Ultra Marathon - 50km
Canada
October 24, 2026 OCT
Canada
24OCT
ULTRA
The Bad Thing 2026
Canada
October 24, 2026 OCT
Canada
24OCT
ULTRA
The Mangy Coyote Backyard Ultra
Canada
October 24, 2026 OCT
Canada
31OCT
ULTRA
4th The Dark 6 Hours Underground - 6h
Canada
October 31, 2026 OCT
Canada
01NOV
ULTRA
4th Moonshine Backyard Ultra - 12h
Canada
November 1, 2026 NOV
Canada
07NOV
ULTRA
4th Beaver's Backyard 24 - 24h
Canada
November 7, 2026 NOV
Canada
07NOV
ULTRA
9th The Beav Trail Race - 50km
Canada
November 7, 2026 NOV
Canada
07NOV
ULTRA
The Beav Trail Race 2026
Canada
November 7, 2026 NOV
Canada
15NOV
ULTRA
Fat Ass Trail Run
Canada
November 15, 2026 NOV
Canada
16JAN
ULTRA
2nd Salomon Toboggan Run - 10h
Canada
January 16, 2027 JAN
Canada
30JAN
ULTRA
22nd Yukon Arctic Ultra 100mi - 100mi
Canada
January 30, 2027 to February 2, 2027 JAN
Canada
13MAR
ULTRA
2nd Hornby Island - 50km
Canada
March 13, 2027 MAR
Canada
17MAR
ULTRA
Northern Lights Ultra
Canada
March 17, 2027 to March 21, 2027 MAR
Canada
06APR
ULTRA
Diez Vista
Canada
April 6, 2027 APR
Canada
17APR
ULTRA
21k Nespresso de Montréal
Canada
April 17, 2027 APR
Canada
18APR
ULTRA
The Vancouver Sun Run
Canada
April 18, 2027 APR
Canada
23APR
ULTRA
6th BC Backyard Ultra - 41h
Canada
April 23, 2027 to April 25, 2027 APR
Canada
27APR
ULTRA
Hook or Crook
Canada
April 27, 2027 APR
Canada
01MAY
ULTRA
10th Wild Horse Traverse - 50km
Canada
May 1, 2027 MAY

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