Fat Ass Trail Run
Quinte West, Canada • 15 Nov 2026
Fat Ass Trail Run - Batawa Ski Hill
The Fat Ass Trail Run takes place on November 15, 2026 at Batawa Ski Hill, Ski Club Lane, Batawa, ON, Canada. The event began in 2003 with 23 participants and has expanded since to offer multiple distances and formats.
Distances include:
- 50 km
- Bad Ass 6 Hour
- 24.5 km
- 16.5 km
- 10 km
- 7.5 km
- 5 km
- Big Bum Kids 1 km
The course features rocks, roots, wide trails, single track, wooden bridges, creek crossings, hills and meadows. Conditions vary with the weather and can include snow, mud or sun. Participants are asked to avoid or keep headphone volume low for safety and passing.
There are three aid stations stocked with water, Tailwind and snacks. The event is cupless; runners should bring their own flasks, speed cups or bladders. Porta potties are available at the start/finish area. First aid is provided by Stat Med Canada.
50 km regulations include an evening cutoff, a requirement to carry a headlamp for later running, pacers permitted only on the final loop, and poles allowed. The event does not offer refunds; transfers between individuals are allowed until October 31 at the participants' expense. Fat Ass shirts and Bad Ass swag require pre-order by October 25. Medals are awarded to the top three men and women per distance; Big Bum participants receive ribbons. Visit the organization's website for the most recent information.