68 Career total Supercross wins, 48 total Motocross wins, 7 Time Loretta Lynn’s Amateur National Motocross Champion, 2-time Motocross Des Nations Champion, 3-time National Motocross Champion, 2-time Supercross Champion of The World. The statistics are only the tip of the iceberg when you talk about James Stewart, an African American who entered a largely white sport and dominated every possible level from his amateur days and into his 14-year professional career. Here we look back at the career of the single most dominant African American motorsports athlete of all time, The Fastest Man on The Planet James “Bubba” Stewart.