The Rules, according to Off The Bench:
“1. Beers must be at least 355mL and 5% ABV.
2. Drinking from cans or bottles only. No shotgunning, straws, or any other drinking aids.
3. Beers can be consumed anywhere in the 10 meters before, to the starting line, sort of like a relay exchange zone.
4. Vomiting = penalty lap.