She represented her country at the 2009 World Championships in Athletics.

He has represented his country at the World Championships in Athletics twice (2007 and 2011).

He represented his country at the 2007 World Championships in Athletics.

He would also represent Sweden again at the 2001 World Championships.

He also represented Japan at the 2007 World Championships.

He represented Finland at the World Championships in, 2003, 2006, 2009, and 2010.

Ortiz also represented his native country at the World Championships (long course) in 2001 and 2003.

While representing his country at the 2009 World Championships in Athletics he set a national mark of 8146 points.

She represented Australia at the 2010 World Championships where her team finished 4th.

He represented the United States three times at the World Championships.