[citation needed] Schipper trained at the Redcliffe Leagues Lawnton club in Brisbane, under veteran coach Ken Wood, until the conclusion of the 2008 Summer Olympics.

[citation needed] Schipper made her debut for Australia at the 2003 World Aquatics Championships in Barcelona, winning the bronze medal as part of the 4×100-metre medley relay team.

She combined with Sophie Edington, Leisel Jones and Libby Lenton to set a new world record in the 4×100-metre medley relay, collecting her third gold medal of the meet.

[citation needed] On 17 August 2006, Schipper set a new world record in the women's 200m butterfly, on the opening night of the 2006 Pan Pacific Swimming Championships.

[3] She then joined the Commercial Swimming Club in Brisbane, under Stephan Widmar, who previously coached her Australian relay teammates Leisel Jones and Trickett.