Josh Hansen raced motocross and supercross with Metal Mulisha in the 2000s as part of the Mulisha Mafia team. He won X Games Super X gold in 2008 and came back to win it again in 2009 on a Pro Circuit Kawasaki.

Hansen also won in AMA Supercross and took the 2010 Australasian Super X championship. He won the final round in Brisbane to finish the series 59 points clear, racing a 450 before returning to the United States on a 250 for Pro Circuit.