| Event: | Women's 20 kilometres walk |
| Win Label: | Winning time |
The Women's 20 km Race Walking event at the 2003 Pan American Games took place on Friday August 6, 2003.
| 01:26:22 | November 19, 2001 | ||||
| 01:34:19 | July 26, 1999 |  Winnipeg, Canada |
| Rank | Athlete | Time | |
|---|---|---|---|
| 1 | 01:35:16 | ||
| 2 | 01:35:21 | ||
| 3 | 01:35:48 | ||
| 4 | 01:37:08 | ||
| 5 | 01:38:43 | ||
| 6 | 01:38:49 | ||
| 7 | 01:39:18 | ||
| 8 | 01:42:45 | ||
| 9 | 01:51:47 | ||
| 10 | 01:52:30 |