The YYC Sub Ultra Trail Run (formerly Stoked Oats Sub Ultra Trail Run) is a trail running event held in Nose Hill Park, Calgary. The event offers a variety of distances including 2 km (kids), 6.5 km, 17 km, and 34 km, catering to all ages and skill levels. Participants experience scenic routes, challenging terrain, and well-supported aid stations. The 34 km course consists of two laps of the 17 km route, providing an ultra trail experience in a beautiful natural setting.

- 34 km Sub Ultra Trail Run: 7:00 AM (Sun Runners Early Start), 7:30 AM (Regular Start), age 16+
- 17 km Sub Ultra Trail Run: 7:00 AM (Sun Runners Early Start), 7:30 AM (Regular Start), age 16+
- 6.5 km Trail Walk/Run: 8:30 AM, age 10+
- 2 km Kids Trail Walk/Run: 9:30 AM, age 10 and under
- All events are trail races on the varied terrain of Nose Hill Park

- Multiple race distances: 2 km (kids), 6.5 km, 17 km, and 34 km
- The 34 km race equals two laps of the 17 km route
- Aid stations offer snacks and hydration
- Suitable for a range of ages and skill levels
- Held in scenic Nose Hill Park, Calgary