[1][2] The 2013 World Championships featured 6 aquatics disciplines: swimming, water polo, diving, high diving, open water, and synchronised swimming.

[3] FINA then re-bid the meet, and Barcelona was selected on September 26, 2010.

[4][5] The venues that hosted the events were previously used for the 2003 World Aquatics Championships:[6] This was the first time the World Aquatic Championships included high diving.

[9] *   Host nation (Spain)On the first day of competition on July 20, American Haley Anderson won the first gold of the competition in the women's 5 km, just beating Brazilian Poliana Okimoto 56:34.2 to 56:34.4.

In the second event on day one, Tunisian Oussama Mellouli won the men's 5 km race with a time of 53:30.4.