The men's 20 kilometres race walk event at the 2003 European Athletics U23 Championships was held in Bydgoszcz, Poland, on 19 July.
| Gold | Benjamin Kuciński | |
| Silver | Sergey Lystsov | |
| Bronze | Andrei Talashka |
19 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 1:22:07 | ||||
| align=left | align=left | | 1:24:04 | ||||
| align=left | align=left | | 1:24:28 | ||||
| 4 | align=left | align=left |  | 1:25:05 | |||
| 5 | align=left | align=left | | 1:25:43 | |||
| 6 | align=left | align=left |  | 1:25:59 | |||
| 7 | align=left | align=left | | 1:26:55 | |||
| 8 | align=left | align=left | | 1:27:19 | |||
| 9 | align=left | align=left | | 1:28:26 | |||
| 10 | align=left | align=left | | 1:29:53 | |||
| align=left | align=left |  | DQ |
According to an unofficial count, 11 athletes from 6 countries participated in the event.
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