The Women's 100 metre backstroke S13 swimming event at the 2004 Summer Paralympics was competed on 26 September. It was won by Chelsey Gotell, representing .

1st round

Qualified for final round

Heat 1 26 Sept. 2004, morning session Rank Athlete Time Notes1 1:15.65 2 1:16.51 3 1:19.89 DSQ

Heat 2 26 Sept. 2004, morning session Rank Athlete Time Notes1 1:14.53 2 1:16.12 3 1:18.80 4 1:19.97 5 1:20.48

Final round

26 Sept. 2004, evening session Rank Athlete Time Notes 1:12.71 1:14.08 1:15.75 4 1:15.94 5 1:17.51 6 1:18.03 7 1:18.79 8 1:18.86

References