Bib | Athlete | Year | Cat. | | SB |
| TRICCA Michele | 1993 | M | ITA ITALY | 46.56 |
| | | | RM056 G.A. FIAMME GIALLE | |
| TUKA Amel | 1991 | M | BIH BOSNIA & HERZEGOVINA | 46.63 (PB) |
| | | | VR761 ATL. INSIEME VERONA | |
| LOPEZ Brayan | 1997 | M | ITA ITALY | 46.90 |
| | | | BZ066 ATHLETIC CLUB 96 ALPERIA | |
| GJETJA Klaudio | 1999 | M | ITA ITALY | 47.60 |
| | | | MI089 PRO SESTO ATL. | |
| NARDI Alberto | 1998 | M | ITA ITALY | 47.62 |
| | | | TO015 ATLETICA CANAVESANA | |
| NIANG Mouhamadou Bamba | 1992 | M | SEN SENEGAL | 48.50 |
| | | | TO001 C.U.S. TORINO | |
| DEMARIA Roberto | 1988 | M | ITA ITALY | 48.55 |
| | | | TO001 C.U.S. TORINO | |
| SANTAMARIA Giuseppe | 1991 | M | ITA ITALY | 48.74 |
| | | | PA001 A.S.D. C.U.S. PALERMO | |
| MASSA Simone | 1999 | M | ITA ITALY | 48.91 |
| | | | CN020 A.S.D. ATLETICA ROATA CHIUSANI | |
| CELIENTO Lorenzo | 2000 | M | ITA ITALY | 49.34 |
| | | | MI080 ATL. RICCARDI MILANO 1946 | |
| TENCONI Martino Lorenzo | 1996 | M | ITA ITALY | 49.70 |
| | | | MI077 CUS PRO PATRIA MILANO | |
| LIZZI Simone | 1997 | M | ITA ITALY | 49.70 |
| | | | TO001 C.U.S. TORINO | |
|