The men's 20 kilometres walk event at the 2017 European Athletics U23 Championships was held in Bydgoszcz, Poland, at Zdzisław Krzyszkowiak Stadium on 16 July.
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | 1:22:29 | |||||
| align=left | align=left | 1:22:52 | |||||
| align=left | align=left | 1:23:03 | PB | ||||
| align=left | align=left | 1:23:11 | NU23R | ||||
| align=left | align=left | 1:23:12 | PB | ||||
| align=left | align=left | 1:23:26 | PB | ||||
| align=left | align=left | 1:23:28 | PB | ||||
| align=left | align=left | 1:25:10 | |||||
| align=left | align=left | 1:25:11 | PB | ||||
| 10 | align=left | align=left | 1:25:21 | PB | |||
| 11 | align=left | align=left | 1:26:05 | PB | |||
| 12 | align=left | align=left | 1:26:20 | ||||
| 13 | align=left | align=left | 1:26:43 | ||||
| 14 | align=left | align=left | 1:27:00 | PB | |||
| 15 | align=left | align=left | 1:27:08 | SB | |||
| 16 | align=left | align=left | 1:27:25 | PB | |||
| 17 | align=left | align=left | 1:27:44 | SB | |||
| 18 | align=left | align=left | 1:28:00 | ||||
| 19 | align=left | align=left | 1:28:02 | ||||
| 20 | align=left | align=left | 1:28:07 | ||||
| 21 | align=left | align=left | 1:29:44 | ||||
| 22 | align=left | align=left | 1:30:05 | ||||
| 23 | align=left | align=left | 1:32:41 | ||||
| 24 | align=left | align=left | 1:33:50 | ||||
| align=left | align=left | ||||||
| align=left | align=left | ||||||
| align=left | align=left | ||||||
| align=left | align=left |