She set a new national record in the event with a time of 1 : 04.98 .
The Cayman Islands Lara Butler became the second female swimmer to compete at the Olympics Games when she contested the 100 metre backstroke .
swimmer set a new national record in the event with a time of 1 : 04.98 .
The Cayman Islands Lara Butler became the second female swimmer to compete at the Olympics Games when she contested the 100 metre backstroke .