| Bib | Athlete | Year | Cat. | | SB |
|---|
| 144 | GALVAN Matteo | 1988 | M |  ITA ITALY | 45.17 |
| | | | | RM056 G.A. FIAMME GIALLE | |
| 136 | CARPENTER Anthony | 1999 | M |  JAM JAMAICA | 46.11 |
| 147 | MOKGOBINYANE Lesedi | 1993 | M |  RSA SOUTH AFRICA | 46.33 |
| 156 | TUCA Amel | 1991 | M |  BIH BOSNIA & HERZEGOVINA | 46.37 |
| 155 | TRICCA Michele | 1993 | M | ITA ITALY | 46.44 |
| | | | | RM056 G.A. FIAMME GIALLE | |
| 137 | CASARICO Mattia | 1997 | M | ITA ITALY | 47.37 |
| | | | | CO056 G.S. BERNATESE | |
| 154 | SNAITH Ben | 1995 | M |  GBR GREAT BRITAIN & N. IRELAND | 47.55 |
| 149 | NARDI Alberto | 1998 | M | ITA ITALY | 47.75 |
| | | | | TO015 ATLETICA CANAVESANA | |
| 153 | ROSSI Francesco Domenic | 2001 | M | ITA ITALY | 47.76 |
| | | | | MI076 GEAS ATLETICA | |
| 152 | ROBBIN Jean Marie | 1998 | M | ITA ITALY | 47.92 |
| | | | | AO004 ATLETICA SANDRO CALVESI | |
| 133 | BIANCIARDI Lapo | 1998 | M | ITA ITALY | 47.98 |
| | | | | FI001 ASSI GIGLIO ROSSO FIRENZE | |
| 134 | CALVANO Luca | 1996 | M | ITA ITALY | 48.08 |
| | | | | MO052 A.S. LA FRATELLANZA 1874 | |
| 142 | DON Menin Hubert | 1996 | M | ITA ITALY | 48.24 |
| | | | | PV110 ATL. CENTO TORRI PAVIA | |
| 143 | FILIPPO Simone | 1998 | M | ITA ITALY | 48.31 |
| | | | | FE028 CENTRO ATLETICA COPPARO | |
| 141 | DELFINO Andrea | 1991 | M | ITA ITALY | 48.32 |
| | | | | GE002 A.S.D. C.U.S. GENOVA | |
| 140 | DANDIO Bakary | 1997 | M |  SEN SENEGAL | 48.36 |
| | | | | MI077 CUS PRO PATRIA MILANO | |
| 145 | GHILARDINI Enrico | 1999 | M | ITA ITALY | 48.51 |
| | | | | BO014 ATL. IMOLA SACMI AVIS | |
| 151 | PIERANI Luca | 2001 | M | ITA ITALY | 48.58 |
| | | | | BG003 ATL. BERGAMO 1959 ORIOCENTER | |
| 132 | AKWANNOR Vanni Picco | 1998 | M | ITA ITALY | 48.70 |
| | | | | BS318 ATL. CHIARI 1964 LIB. | |
| 150 | OLIVIERI Fabio | 1994 | M | ITA ITALY | 48.90 |
| | | | | MI077 CUS PRO PATRIA MILANO | |
| 138 | CERRATO Andrea | 1999 | M | ITA ITALY | 49.27 |
| | | | | MI080 ATL. RICCARDI MILANO 1946 | |
| 146 | MEZZALUNA Umberto | 1997 | M | ITA ITALY | 49.50 |
| | | | | LI038 CENTRO ATLETICA PIOMBINO | |
| 135 | CAMARA Mussa | 1992 | M |  GAM THE GAMBIA | 50.00 |
| 139 | CESARONI Alessandro | 1995 | M | ITA ITALY | 50.21 |
| | | | | BG036 ATL. SALETTI | |
| 148 | MOLTEN Daniel | 1992 | M | RSA SOUTH AFRICA | 54.03 |
|
