Find 50 Mile / 100K Races in Canada
Browse 50 mile and 100K ultramarathon running events happening across Canada. Filter by distance, terrain, and date to find your perfect race. From local 5Ks and fun runs to marathons and ultramarathons—discover it all on The Running Directory Canada.
Find 50 Mile / 100K Races in Canada
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⏳ 9d to go
Alberta
Road
GrassRoots Backyard Ultra 2025 - Backyard15
Okotoks, Alberta
June 28, 2025
7:00 AM
Grassroots Backyard Ultra 2025
100.65km
June 2025
📅 2w to go
British Columbia
Trail
Alpenglow 2025 - 100 km Race
Valemount, British Columbia
July 5, 2025
9:30PM
Alpenglow 100 2025
100km
July 2025
📅 3w to go
British Columbia
Trail
Sinister 7 Ultra 2025 - 50-Mile Solo
Crowsnest Pass, Alberta
July 12, 2025
10:30AM
Sinister 7 Ultra 2025
82.9km
July 2025
📅 7w to go
British Columbia
Fat Dog 120 Trail Race 2025 - 100 Kilometer
Manning Park, British Columbia
August 9, 2025
7:30 AM
Fat Dog 120 Trail Race 2025
100km
August 2025
📅 7w to go
British Columbia
Fat Dog 120 Trail Race 2025 - 50 Mile
Manning Park, British Columbia
August 9, 2025
9:00 AM
Fat Dog 120 Trail Race 2025
80km
August 2025
📅 7w to go
Ontario
Trail
Beast of Burden Ultra Marathon 2025 - 50 Miler
Lockport, New York
August 9, 2025
10:00AM
Beast of Burden - Summer 2025
50 miles
August 2025
📅 7w to go
Nova Scotia
Trail
Capes 100 2025 - Capes 100 87k
Mabou, Nova Scotia
August 9, 2025
6:00AM
Capes 100 2025
87km
August 2025
📅 7w to go
Alberta
Trail
Iron Legs Mountain Races 2025 - 50 Mile Relay (2-Person Team)
Bragg Creek, Alberta
August 16, 2025
6:00 AM
Iron Legs Mountain Races 2025
50 miles (2-person relay)
August 2025
📅 7w to go
Alberta
Trail
Iron Legs Mountain Races 2025 - 50 Mile
Bragg Creek, Alberta
August 16, 2025
6:00 AM
Iron Legs Mountain Races 2025
50 miles
August 2025
📅 7w to go
Alberta
Trail
Iron Legs Mountain Races 2025 - 100km
Bragg Creek, Alberta
August 16, 2025
6:00 AM
Iron Legs Mountain Races 2025
100km
August 2025
📅 7w to go
Alberta
Trail
Iron Legs Mountain Races 2025 - 50 Mile Relay (3-Person Team)
Bragg Creek, Alberta
August 16, 2025
6:00 AM
Iron Legs Mountain Races 2025
50 miles (3-person relay)
August 2025
📅 8w to go
British Columbia
Squamish 50 2025 - 50 Mile
Squamish, British Columbia
August 16, 2025
Squamish 50 2025
Ultra Marathon
August 2025
📅 8w to go
British Columbia
Trail
Nesters Market Squamish 50 2025 - 50 Kilometer
Squamish, British Columbia
August 17, 2025
6:15AM
Nesters Market Squamish 50 2025
50km
August 2025
📅 9w to go
British Columbia
Trail
TranSelkirks Run 2025 - Half Stoke
Revelstoke, British Columbia
August 22, 2025
8:00AM
2025 TranSelkirks Run
50km (3 stages)
August 2025
📅 11w to go
Alberta
Trail
Lost Soul Ultra 2025 - 100K
Lethbridge, Alberta
September 5, 2025
9:00 AM
Lost Soul Ultra Marathon 2025
100km
September 2025
📅 11w to go
Alberta
Trail
Black Lung Ultra Marathon 2025 - Solo 62k
Nordegg, Alberta
September 6, 2025
7:00AM
Black Lung Ultra 2025
62km
September 2025
📅 11w to go
Alberta
Trail
Black Lung Ultra Marathon 2025 - Team 62k
Nordegg, Alberta
September 6, 2025
7:00AM
Black Lung Ultra 2025
62km relay
September 2025
📅 11w to go
Newfoundland and Labrador
Trail
Steep Ultra 2025 - Steep Ultra 100K
Corner Brook, Newfoundland and Labrador
September 6, 2025
6:00AM
Steep Ultra 2025
100km
September 2025
📅 11w to go
British Columbia
Trail
Finlayson Arm Races 2025 - 50 Mile
Victoria, British Columbia
September 6, 2025
5:00AM
Finlayson Arm Races 2025
50 Mile (80.5km)
September 2025
📅 11w to go
British Columbia
Trail
Finlayson Arm Races 2025 - 50 Mile
Victoria, British Columbia
September 6, 2025
5:00AM
Finlayson Arm 2025
50 miles
September 2025
📅 11w to go
Ontario
Trail
Haliburton Forest Trail Race 2025 - 50 Mile Trail Race
Haliburton, Ontario
September 6, 2025
7:00AM
Haliburton Forest Trail Race 2025
50 mile
September 2025
📅 13w to go
Alberta
Trail
River's Edge Ultra 2025 - Magilla 100km
Spruce Grove, Alberta
September 20, 2025
8:00 AM
Rivers Edge Ultra 2025
100km
September 2025
📅 13w to go
British Columbia
Trail
Freaky Creeky 2025 - 50 km
Vernon, British Columbia
September 20, 2025
7:00AM
Freaky Creeky 2025
50 km
September 2025
📅 14w to go
British Columbia
Ultra Trail Whistler by UTMB 2025 - 100K
Whistler, British Columbia
September 27, 2025
Ultra Trail Whistler by UTMB 2025
Ultra Marathon
September 2025
📅 15w to go
Alberta
Iron Horse Ultra 2025 - 100 km Team Relay
St. Paul, Alberta
October 4, 2025
7:00 AM
Iron Horse Ultra 2025
100km
October 2025
📅 15w to go
Alberta
Trail
Iron Horse Ultra 2025 - 100 km Solo
St. Paul, Alberta
October 4, 2025
7:00 AM
Iron Horse Ultra 2025
100km
October 2025
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