It was Tim O'Donnell (USA) and Mirinda Carfrae (AUS) who reigned supreme as the fastest pair in the race.

The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple
The 2013 Ironman World Championship's Quickest Couple

Photos: Paul Phillips/Competitive Image/@Compimagephoto
There were several pro couples on the start line at the 2013 Ironman World Championship, but it was Tim O’Donnell (USA) and Mirinda Carfrae (AUS) who reigned supreme as the fastest pair in the race. O’Donnell and Carfrae have dated for several years and will celebrate this off-season by getting married in December in Colorado.