Well, that was interesting. First let me explain what you’re looking at. This is no random room with a bunch of treadmills. Rather, it’s the altitude room at Chicago’s Well-Fit training center in the city’s West Town neighborhood. What’s that you ask? One of only a handful like it in the United States, the room is essentially a chamber, where they suck the oxygen out in an attempt to simulate what it’s like to train at different levels of elevation. The room is filled with treadmills and bikes, and is used for people like me, who live at sea level, but are training for an event that takes place high…