Photos: Ironman Western Australia

The pro men take off at the 2012 Ironman Australia triathlon.

Busselton played host to the event for the ninth year in a row.

Age group athletes kick off their day with a 2.4-mile swim.

Australian Rebekah Keat was second out of the swim and third off of the bike.

The three-lap bike course is flat and fast.

Johnsen ran his way from sixth off of the bike to first at the finish line.

Britta Martin spent the day working to overcome a slow swim.

Rebekah Keat had a well-rounded day and narrowly missed out on the top spot.

Rebecca Hoschke ultimately finished third.

Matty White ran his way to third.

Jimmy Johnson takes the win at the Sunsmart Ironman Western Australia in Busselton.

Matty White was the first Australian to cross the finish line, earning third.

Jason Shortis makes his way to the finish line.

Britta Martin takes the win for the women.

Rebecca Hoschke earns third.