| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark |
| 1 | 5 | 324 | DELGADO Javier | 1996 | M | ESP SPAIN | (SB) 51.27 Q |
| 2 | 7 | 371 | HAPPIO Wilfried | 1998 | M | FRA FRANCE | 51.97 Q |
| 3 | 4 | 463 | OREN Sinan | 1998 | M | TUR TURKEY | 52.14 Q |
| 4 | 3 | 455 | TOUATI Mohamed Amin | 1998 | M | TUN TUNISIA | 52.18 q |
| 5 | 6 | 285 | VASILEIOU Anastasios | 1997 | M | CYP CYPRUS | 54.06 |
| YC: Bib 455 Rule 125.5 IAAF |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark |
| 1 | 7 | 292 | CUKMAN Hrvoje | 1998 | M | CRO CROATIA | 52.00 Q |
| 2 | 6 | 230 | BERIA Matteo | 1996 | M | ITA ITALY | 52.61 Q |
| 3 | 3 | 323 | PINEDA David Jose | 1998 | M | ESP SPAIN | 53.55 Q |
| 4 | 4 | 303 | ELABBADY Osama | 1998 | M | EGY EGYPT | 53.86 q |
| 5 | 5 | 491 | JAMNIK Jan | 1996 | M | SLO SLOVENIA | 54.06 |
|
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark |
| 1 | 5 | 324 | DELGADO Javier | 1996 | M | ESP SPAIN | (SB) 51.27 Q |
| 2 | 7 | 371 | HAPPIO Wilfried | 1998 | M | FRA FRANCE | 51.97 Q |
| 3 | 7 | 292 | CUKMAN Hrvoje | 1998 | M | CRO CROATIA | 52.00 Q |
| 4 | 4 | 463 | OREN Sinan | 1998 | M | TUR TURKEY | 52.14 Q |
| 5 | 3 | 455 | TOUATI Mohamed Amin | 1998 | M | TUN TUNISIA | 52.18 q |
| 6 | 6 | 230 | BERIA Matteo | 1996 | M | ITA ITALY | 52.61 Q |
| 7 | 3 | 323 | PINEDA David Jose | 1998 | M | ESP SPAIN | 53.55 Q |
| 8 | 4 | 303 | ELABBADY Osama | 1998 | M | EGY EGYPT | 53.86 q |
| 9 | 6 | 285 | VASILEIOU Anastasios | 1997 | M | CYP CYPRUS | 54.06 |
| 9 | 5 | 491 | JAMNIK Jan | 1996 | M | SLO SLOVENIA | 54.06 |
|
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark |
| 1 | 6 | 230 | BERIA Matteo | 1996 | M | ITA ITALY | (U23 CR) 50.52 |
| 2 | 5 | 371 | HAPPIO Wilfried | 1998 | M | FRA FRANCE | (SB) 50.65 |
| 3 | 4 | 324 | DELGADO Javier | 1996 | M | ESP SPAIN | (SB) 50.82 |
| 4 | 8 | 323 | PINEDA David Jose | 1998 | M | ESP SPAIN | (SB) 50.88 |
| 5 | 2 | 455 | TOUATI Mohamed Amin | 1998 | M | TUN TUNISIA | (PB) 51.40 |
| 6 | 3 | 292 | CUKMAN Hrvoje | 1998 | M | CRO CROATIA | 51.57 |
| 7 | 7 | 463 | OREN Sinan | 1998 | M | TUR TURKEY | 51.68 |
| | 1 | 303 | ELABBADY Osama | 1998 | M | EGY EGYPT | DNS |
|
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