The Synchronized Swimming World Trophy is a sporting event that has been organized every year since 2006.
Host City's
2006 Synchronized Swimming World Trophy: Moscow (RUS)
2007 Synchronized Swimming World Trophy: Rio De Janeiro (BRA)
2008 Synchronized Swimming World Trophy: Madrid (ESP)
2009 Synchronized Swimming World Trophy: Montreal (CAN)
2010 Synchronized Swimming World Trophy: Moscow (RUS)
participation
The 8 to 12 national federations invited to the world trophy are selected based on there rankings from the FINA World Aquatics Championships and the Olympic Games
References