In cold and wet conditions Brad Kahlefeldt produced a trademark run to go one better than last year.
Australia's Brade Kahlefeldt and the Czech Republic's Radka Vodickova prevailed on a hot and humid day at Ironman 70.3 Putrajaya in Malaysia.
Brad Kahlefeldt is the only Australian male who has been confirmed to the 2012 London Olympic team.
Australia's Brad Kahlefeldt opened up the 2011 ITU World Cup season with a victory in Mooloolaba. The fast pace of the day and the difficult course and conditions took their toll on the 72 men who finished the race.
Early selection means Kahlefeldt can focus on peaking for the Olympics at the right time.
WCS Hamburg is marked by a day of breakthroughs, including that of Chris McCormack