Listed events have been approved by ACU. In addition to ACU Listed Events, the calendar includes World and Continental Championships relevant to Canadian National Teams.
Race directors complete an application in order to list their event and agree to abide by the ACU Event Listing Policy. However, ACU has no means to ensure events are conducted within a certain standard. Runners should personally review an event's safety, risk management, and other policies to determine whether they wish to participate.
| Date | Event | Distance/Time | Location | IAU Label (if any) | Member Discount* |
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| 5 July 2025 |
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50km/80km trail 2025 Short Trail (50km) and Long Trail (80km) National Championships |
Beaupre, QC | ||
| 26 July 2025 | Brokenagan Backyard Ultra and Brokenagan 24Hr Endurance Run | Choice of either the 4.17mile (6.71km) "Backyard" loop format or a continuous 24 Hour format | Sovereign Lake Nordic Center, Silver Star Provincial Park | Trail Label TBC | 10% |
| 25-28 Sep 2025 | World Mountain & Trail Running Championshpis (Team Canada event) |
Short and Long Trail | Canfranc-Pirineos, Spain | ||
| 25-26 Oct 2025 | 2025 IAU 24 Hour World Championships (Team Canada Event) | 24 Hour | Albi, France | ||
| Notable future events: | |||||
| 4 July 2026 | Quebec Mega Trail |
50km/80km trail 2026 Short Trail (50km) and Long Trail (80km) National Championships |
Beaupre, QC | ||
* To access Membership Discount codes, you must be a current member and logged in so you can access that hidden page under the "Member" tab.