Other world record breakers were
KAREN MUIR, a 14 - year - old South African who shattered her own world mark in the 200 - meter backstroke with a 2:26.4; MIKE BURTON of Sacramento, Calif., who lowered the 1,500 - meter freestyle record by 17
seconds (16:41.6); and 15 - year - old PATTY CARETTO, who swam the
ladies» 1,500 - meter freestyle in 18:12.9.