Several men will be looking to dethrone reigning champ Craig Alexander.

Paul Ambrose
Terenzo Bozzone
Photo: Delly Carr
Craig Alexander
Bevan Docherty
Photo: Kurt Hoy
Faris Al-Sultan
Greg Bennett
Sebastian Kienle
Paul Matthews
Matt Reed
Michael Raelert
Timothy O'Donnell
Filip Ospaly
Andy Potts
Richie Cunningham
Joe Gambles
Jeff Symonds
Leon Griffin
Photo: Rob Hammer
Jesse Thomas
Photo: Kurt Hoy

The 2012 Ironman World Championship 70.3 will feature one of the most competitive fields in the race’s history. Several men will be looking to dethrone reigning champ Craig Alexander. Look at the complete start list here, and check back tomorrow for a look at the female contenders.

RELATED: Ironman Announces 70.3 World Championship Start List

PHOTOS: 2011 Ironman 70.3 World Championship