The 14 50K ultramarathons in Canada, with each one's climb, cutoff and date. Every race links to its own page, where you can see how it fits the runner you are now.
| Race | Distance | Where | Date | Climb | Cutoff |
|---|---|---|---|---|---|
| UpRiver Running Fall Races | 50km | Thunder Bay, Canada | Oct 3, 2026 | 2,854 ft | 9 h |
| Bromont Ultra 160 km Trail Run | 55km | Bromont, Canada | Oct 17, 2026 | 4,593 ft | 9 h |
| Hornby Island | 50km | Hornby Island, Canada | Mar 13, 2027 | 4,570 ft | 6 h |
| Suffer on Centennial | 50km | West Hawk Lake, Canada | May 22, 2027 | 3,560 ft | 16 h |
| Blackfoot Ultra | 50km | Cooking Blackfoot Lake, Canada | May 29, 2027 | 2,001 ft | 10 h |
| Run for Water Trail | 50km | Abbotsford, Canada | Jun 5, 2027 | 1,476 ft | 10 h |
| Trail La Clinique Du Coureur | 50km | Lac-Beauport, Canada | Jun 5, 2027 | 6,562 ft | 10.5 h |
| Ultra Trail Whistler by UTMB | 50K | Creekside Plaza, Canada | Jun 26, 2027 | 9,652 ft | 12.5 h |
| Limberlost 56 km Challenge | 56km | Huntsville, Canada | Jul 3, 2027 | 5,577 ft | 11 h |
| Quebec Mega Trail | 50km | Saint-Tite-des-Caps, Canada | Jul 3, 2027 | 6,299 ft | 12 h |
| Devil's Ladder Ultra | 50km | Cumberland, Canada | Jul 10, 2027 | 5,906 ft | 11 h |
| Sinister 7 Ultra | 50km | Coleman, Canada | Jul 10, 2027 | 7,871 ft | 13.5 h |
| Finlayson Arm 50 Miles Race | 50km | Victoria, Canada | Sep 4, 2027 | 9,186 ft | 15 h |
| Beaver Flat 50 Ultra Marathon | 50km | Stewart Valley, Canada | Sep 18, 2027 | 7,546 ft | 10.5 h |