The women's 20 kilometres race walk event at the 2003 European Athletics U23 Championships was held in Bydgoszcz, Poland, on 18 July.
| Gold | Athanasia Tsoumeleka | |
| Silver | Vera Santos | |
| Bronze | Sabine Zimmer |
18 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | 1:33:55 | |||||
| align=left | align=left | 1:35:18 | |||||
| align=left | align=left | 1:35:56 | |||||
| 4 | align=left | align=left |  | 1:37:28 | |||
| 5 | align=left | align=left |  | 1:38:47 | |||
| 6 | align=left | align=left |  | 1:39:22 | |||
| 7 | align=left | align=left |  | 1:44:03 | |||
| 8 | align=left | align=left |  | 1:44:34 | |||
| 9 | align=left | align=left |  | 1:46:51 | |||
| 10 | align=left | align=left |  | 1:48:08 | |||
| align=left | align=left | | DNF | ||||
| align=left | align=left | | DQ |
According to an unofficial count, 12 athletes from 10 countries participated in the event.
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