Bernard regains the 50-meter world freestyle record in Australia . Sullivan sets the new mark of 21.50 seconds in the American Olympic trials . Frenchman Alain Bernard recorded a time of 21.50 seconds Wednesday .
Eamon Sullivan regains the 50-meter world freestyle record in Sydney . Sullivan sets the new mark of 21.41 seconds in the Australian Olympic trials . Frenchman Alain Bernard recorded a time of 21.50 seconds four days earlier .