Easiest way to teach your friends a little about F1: tell them to hold their head and body upright while you take a 40km/h exit at about 80km/h, at the end ask them how hard that was, then tell them to imagine wearing full protective gear, heat above 40degC, a 5lb helmet, 4x the g-forces and doing that for over an hour straight.
F1 is about as physically and mentally demanding as a sport gets, find another sport where they have to do a hardcore excercise regiment on the other side of their neck just because the next race goes around the track in a different direction than normal.
Epicoque Racing
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