| Swimming at the 2003 Pan American Games | ||
|---|---|---|
| | ||
| Freestyle | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| 400 m | men | women |
| 800 m | women | |
| 1500 m | men | |
| Backstroke | ||
| 100 m | men | women |
| 200 m | men | women |
| Breaststroke | ||
| 100 m | men | women |
| 200 m | men | women |
| Butterfly | ||
| 100 m | men | women |
| 200 m | men | women |
| Individual medley | ||
| 200 m | men | women |
| 400 m | men | women |
| Freestyle relay | ||
| 4×100 m | men | women |
| 4×200 m | men | women |
| Medley relay | ||
| 4×100 m | men | women |
The Women's 100m Butterfly event at the 2003 Pan American Games took place on August 15, 2003 (Day 15 of the Games).
| Gold | Bethany Goodwin |
| Silver | Audrey Lacroix |
| Bronze | Dana Kirk |
| World Record | 56.61 | 2000-09-17 | | |
| Pan Am Record | 59.70 | 1999-08-05 | |
| Place | Swimmer | Heats | Final | |
|---|---|---|---|---|
| Time | Rank | Time | ||
| 1 | 1:00.31 | 2 | 59.97 | |
| 2 | 1:00.08 | 1 | 1:00.18 | |
| 3 | 1:00.69 | 3 | 1:00.51 | |
| 4 | 1:03.26 | 5 | 1:02.76 | |
| 5 | 1:02.36 | 4 | 1:02.90 | |
| 6 | 1:03.79 | 6 | 1:03.01 | |
| 7 | 1:04.03 | 8 | 1:03.68 | |
| 8 | 1:03.95 | 7 | 1:03.95 | |
| 9 | 1:04.15 | 10 | 1:03.97 | |
| 10 | 1:05.24 | 12 | 1:04.65 | |
| 11 | 1:04.11 | 9 | 1:04.93 | |
| 12 | 1:04.59 | 11 | 1:05.00 | |
| 13 | 1:05.41 | 13 | 1:05.13 | |
| 14 | 1:05.99 | 14 | 1:06.33 | |
| 15 | 1:06.35 | 15 | 1:06.71 | |
| 16 | 1:07.06 | 16 | 1:07.23 | |
| 17 | 1:08.33 | 17 | ||
| 18 | 1:08.56 | 18 | ||
| 19 | 1:11.05 | 19 | ||