Motocross rider who goes by the name Bubba Stewart. He first competed at the X Games in 2009 and signed with Joe Gibbs racing in 2011, although he only stayed with the team for one year.
He'd won more than 80 amateur motocross titles by the age of 16.
He made his reality TV debut on March 28, 2010 with his show titled "Bubba's World."
His father, James Sr., encouraged him to ride bikes.
He has competed against Ryan Dungey.