The men's 20 kilometres race walk event at the 2009 European Athletics U23 Championships was held in Kaunas, Lithuania, on 18 July.
| Gold | Miguel Ángel López | |
| Silver | Dzianis Simanovich | |
| Bronze | Matteo Giupponi |
18 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 1:22:23 | ||||
| align=left | align=left | | 1:22:57 | ||||
| align=left | align=left | | 1:23:00 | ||||
| 4 | align=left | align=left | 1:24:29 | ||||
| 5 | align=left | align=left |  | 1:25:01 | |||
| 6 | align=left | align=left | 1:25:06 | ||||
| 7 | align=left | align=left |  | 1:25:26 | |||
| 8 | align=left | align=left |  | 1:25:30 | |||
| 9 | align=left | align=left |  | 1:25:47 | |||
| 10 | align=left | align=left | | 1:25:54 | |||
| 11 | align=left | align=left |  | 1:26:56 | |||
| 12 | align=left | align=left | | 1:27:47 | |||
| 13 | align=left | align=left | | 1:28:21 | |||
| 14 | align=left | align=left | | 1:29:08 | |||
| 15 | align=left | align=left |  | 1:30:38 | |||
| 16 | align=left | align=left | | 1:34:59 | |||
| align=left | align=left | | DNF | ||||
| align=left | align=left | DQ | Rule 230.6 | ||||
| align=left | align=left | | DQ | Rule 230.6 | |||
| align=left | align=left | | DQ | Rule 230.6 |
According to an unofficial count, 20 athletes from 12 countries participated in the event.
(1) (2) (1) (3) (3) (3) (2) (1) (1)