The women's 20 kilometres race walk event at the 2005 European Athletics U23 Championships was held in Erfurt, Germany, on 15 July.
| Gold | Irina Petrova | |
| Silver | Olga Kaniskina | |
| Bronze | Barbora Dibelková |
15 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 1:33:24 | ||||
| align=left | align=left | | 1:33:33 | ||||
| align=left | align=left | | 1:34:44 | ||||
| 4 | align=left | align=left | 1:36:13 | ||||
| 5 | align=left | align=left |  | 1:38:32 | |||
| 6 | align=left | align=left |  | 1:40:43 | |||
| 7 | align=left | align=left |  | 1:42:32 | |||
| 8 | align=left | align=left | | 1:43:10 | |||
| 9 | align=left | align=left | 1:44:54 | ||||
| 10 | align=left | align=left |  | 1:46:36 | |||
| 11 | align=left | align=left | 1:48:45 | ||||
| 12 | align=left | align=left | | 1:49:52 | |||
| 13 | align=left | align=left |  | 1:52:02 | |||
| 14 | align=left | align=left |  | 1:53:09 | |||
| 15 | align=left | align=left | | 1:55:30 | |||
| 16 | align=left | align=left |  | 1:57:21 | |||
| 17 | align=left | align=left | | 1:59:04 | |||
| align=left | align=left | | DQ | IAAF rule 230.4 |
According to an unofficial count, 18 athletes from 12 countries participated in the event.
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