Athlete

The British racecar driver signed a three-year contract extension last year to drive for Mercedes' F1 team; it kicks in with the 2016 season and could pay out more than $140 million, including bonuses. Hamilton won his third F1 World Championship in 2015. He is one of the most marketable drivers in the sport, boasting endorsement deals with IWC, Bombardier, L'Oreal and Monster Energy.