I'm not normally in favor of excessive eating, though it can be fun to watch.
Jake's Sandwich Board at 12th and Sansom Streets just introduced "The Jake's 5-Pound Philly Challenge," which consists of a two-foot sandwich (steak, pork, brisket, or all three), four soft pretzels, a box of Tastykakes (Krimpets or Kandy Kakes), 24 Peanut Chews, and a Champ Cherry soda.
It's $35 -- but is free to anyone who finishes everything in 45 minutes. The eater also gets his/her photo posted on the wall.
No one has attempted this yet. The first wins a $100 gift card.