24 Hours Ultra Running Events in Ontario
Upcoming Events
| Date | Event | City | Distances |
|---|---|---|---|
| 06/27/26 | High Noon 24Hr Trail Race & Relay | Thunder Bay | 4 Hours , 6 Hours , 12 Hours , 24 Hours |
| 06/27/26 | Utopia Backyard Ultra | Utopia | Backyard , 6 Hours , 12 Hours , 24 Hours |
| 07/25/26 | Tally in the Valley | Dundas | 6 Hours , 12 Hours , 12 Hours , 24 Hours , 100 Miles |
| 09/19/26 | That Dam Hill | London | 6 Hours , 12 Hours , 24 Hours |
| 09/19/26 | Sugarbush Shenanigans | Hillier | 6 Hours , 12 Hours , 12 Hours , 24 Hours |
| 09/26/26 | The Tail Chaser | Caledon | 6 Hours , 12 Hours , 24 Hours |
Past Events
| Date | Event | City | Distances |
|---|---|---|---|
| 05/17/25 | Coach D's Backyard Ultra | Lindsay | 6 Hours , 12 Hours , 24 Hours |
| 05/17/25 | Big D’s Backyard Ultra and Trail Race | Lindsay | Backyard , 6 Hours , 12 Hours , 24 Hours |
| 07/23/16 | Dirty Girls' Trail Race | Mansfield | 6 Hours , 12 Hours , 24 Hours , 48 Hours |
| 09/28/13 | Self Transcendence | Ottawa | 24 Hours |
| 09/29/12 | Self-Transcendence 6 Hr, 12 Hr & 24 Hr Race | Ottawa | 6 Hours , 12 Hours , 24 Hours |
| 08/27/88 | Burlington Runners | Burlington | 12 Hours , 24 Hours , 50 Miles |
| 01/30/88 | Valley 24-hour Indoor Run | Hanmer | 24 Hours |