The men's 3000 metres steeplechase event at the 2003 European Athletics U23 Championships was held in Bydgoszcz, Poland, at Zawisza Stadion on 17 and 19 July.
| Gold | Martin Pröll | |
| Silver | Radosław Popławski | |
| Bronze | Jukka Keskisalo |
19 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 8:25.86 | CR | |||
| align=left | align=left | | 8:27.95 | ||||
| align=left | align=left | | 8:28.53 | ||||
| 4 | align=left | align=left |  | 8:29.00 | |||
| 5 | align=left | align=left |  | 8:33.68 | |||
| 6 | align=left | align=left |  | 8:35.12 | |||
| 7 | align=left | align=left | 8:35.66 | ||||
| 8 | align=left | align=left |  | 8:43.92 | |||
| 9 | align=left | align=left | 8:45.22 | ||||
| 10 | align=left | align=left |  | 8:51.08 | |||
| 11 | align=left | align=left |  | 8:55.97 | |||
| align=left | align=left |  | DQ |
17 July
Qualified: first 4 in each heat and 4 best to the Final
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 8:34.68 | Q | ||
| 2 | align=left | align=left | | 8:36.07 | Q | ||
| 3 | align=left | align=left | | 8:36.13 | Q | ||
| 4 | align=left | align=left | 8:36.25 | Q | |||
| 5 | align=left | align=left | | 8:38.14 | q | ||
| 6 | align=left | align=left | | 8:43.01 | q | ||
| 7 | align=left | align=left |  | 8:45.58 | |||
| 8 | align=left | align=left |  | 8:45.60 | |||
| 9 | align=left | align=left | | 8:50.99 | |||
| 10 | align=left | align=left |  | 8:51.43 | |||
| 11 | align=left | align=left | | 8:59.10 | |||
| 12 | align=left | align=left |  | 9:03.30 | |||
| 13 | align=left | align=left |  | 9:04.56 | |||
| 14 | align=left | align=left |  | 9:23.09 | |||
| align=left | align=left | | DNF |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 8:37.53 | Q | ||
| 2 | align=left | align=left | | 8:37.57 | Q | ||
| 3 | align=left | align=left | | 8:39.39 | Q | ||
| 4 | align=left | align=left | 8:39.64 | Q | |||
| 5 | align=left | align=left | | 8:41.87 | q | ||
| 6 | align=left | align=left | | 8:44.56 | q | ||
| 7 | align=left | align=left | | 8:45.52 | |||
| 8 | align=left | align=left | | 8:51.06 | |||
| 9 | align=left | align=left |  | 8:51.93 | |||
| 10 | align=left | align=left |  | 8:54.47 | |||
| 11 | align=left | align=left | 9:06.92 | ||||
| 12 | align=left | align=left | | 9:10.50 | |||
| 13 | align=left | align=left |  | 9:21.56 | |||
| align=left | align=left | DNF | |||||
| align=left | align=left | | DNF |
According to an unofficial count, 30 athletes from 21 countries participated in the event.
(1) (1) (3) (1) (1) (1) (3) (2) (1) (1) (1) (1) (1) (1) (3) (1) (1) (1) (1)