Analysis of information sources in references of the Wikipedia article "2004 FINA World Swimming Championships (25 m)" in English language version.
Phelps is entered in the 200-meter freestyle, 200 butterfly, 100, 200 and 400 individual medleys and 800 free relay.
Michael Phelps went to one Short Course Worlds, when it was held on U.S. soil in Indianapolis in 2004, and never again before his career wrapped up in 2016.