100K Races in Canada 2026
Races17racesFromMay 23, 2026ThroughOct 2026
Discover 17 2026 100k races across Canada, from local community events to major city road races. Popular provinces include Alberta, British Columbia, Ontario, and Quebec. Strong city calendars include Edmonton. Browse popular distances like 5K, Road, 10K, Trail, and 1K, or compare race dates, distances, and registration links in one calendar to find your next 100k start line.
100K Races in Canada 2026
May 2026
June 2026
July 2026
August 2026
Trail
Fat Dog 120 Trail Race 2026
Aug 7, 2026
Manning Park, BC
120 Mile100K40 Mile
Trail
Iron Legs Mountain Races 2026
Aug 8, 2026
Bragg Creek, AB
100K60K50 Mile25K
Trail
2026 Dirty Feet Heartbreak 100km, 50km and Relay
Aug 15, 2026
Kamloops, BC
100K50K25K
Trail
2026 Tidal Force Ultra 100
Aug 22, 2026
Riverview, NB
100K
Trail
Ultra Trail Whistler by UTMB 2026
Aug 22, 2026
Whistler, BC
100K50K25K10K
September 2026
Trail
Steep Ultra 2026
Sep 5, 2026
Corner Brook, NL
50K100K
Trail
Lost Soul Ultra Marathon 2026
Sep 11, 2026
Lethbridge, AB
100 Mile100K50K
Trail
SOO 200 2026
Sep 11, 2026
Sault Ste. Marie, ON
200 Mile100 Mile100K50K
Trail
Ultra Trail Forillon 2026
Sep 18, 2026
Gaspé, QC
54K100K100 Mile
Road
2026 Dream Nation Apparel Vancouver Island 24 Hour
Sep 19, 2026
Duncan, BC
50K100K
Trail
2026 Rivers Edge Ultra
Sep 19, 2026
Spruce Grove, AB
21K80K50K3K+3
Trail
2026 Prescott-Russell Recreational Trail Challenge
Sep 26, 2026
Hammond, ON
12K25K50K50 Mile+1
Trail
Climbing for Change 2026
Sep 26, 2026
Edmonton, AB
51K67.5K100K
October 2026
Other years
Browse editions from a specific year. Upcoming calendars stay future-only.