Edited sentence: 1  4 Milorad Cavic    50.01  Q, WR, CR.2  4 Michael Phelps    50.48  Q.3  2 Rafael Munoz    50.59  Q.4  3  Albert Subirats    50.65  Q.Key: Q = Qualified for final, WR = World record, CR = Championship record.Rank  Lane  Name  Nationality  Time  Notes