Synchronized swimming, FINA Aquatics World Championships, Solo free routine - Solo free routine World Champions

1973 Teresa Andersen
1975 Gail Buzonas
1978 Helen Vanderburg
1982 Tracie Ruiz
1986 Carolyn Waldo
1991 Sylvie Fréchette
1994 Becky Dyroen-Lancer
1998 Olga Sedakova
2001 Olga Brusnikina
2003 Virginie Dedieu
2005 Virginie Dedieu
2007 Virginie Dedieu
2009 Natalia Ishchenko
2011 Natalia Ishchenko