4. Marino Vanhoenacker
In one of the most eye-popping performances of the year, 35-year-old Vanhoenacker of Belgium destroyed compatriot Luc Van Lierde’s 14-year-old Ironman mark with a 7:45:58 finish at Ironman Austria. His sixth-straight win in Austria, the title was Vanhoenacker’s ninth career Ironman victory. Although the record was broken by Andreas Raelert just one week later, Vanhoenacker’s time remains the fastest-ever at an Ironman sanctioned event.