Ivan Stewart

Ivan "Ironman" Stewart (born June 4, 1945) is an American former professional off road racing driver. Stewart started racing professionally in 1973, aged 27. He was one of the most successful off-road racing drivers with 84 wins and 15 championship titles. Stewart retired from racing in 1999 and co-founded the ProTruck Racing Organization. In 2008, Toyota released a limited "Ivan Stewart Ironman" edition of its Toyota Tundrapickup truck.