It all leads up to the ultimate in karting: the 125cc shifter kart. With a top speed of 120 miles per hour, the shifter is no toy. "When you do open it up, my god, it goes fast," said Patrick.

The MotoGP and F1 racers meet up for a crossover shifter kart challenge, but does Piastri have the upper hand? When you get to the level of someone like Pedro Acosta or Oscar Piastri, it's safe to ...