Robby Unser, 1986-1988

Robby Unser followed his father Bobby's footsteps onto the race track. He started racing go-karts at eight years old and moved up to stock cars by age 15. Unser excelled on the family's favored turf, winning the Pikes Peak International Hill Climb eight times starting in 1989. He drove in the Indianapolis 500 twice, in 1998 and 1999.