| Bib | Athlete | Year | Cat. | | SB |
| 33 | LEONARDI Giuseppe | 1996 | M | ITA ITALY | 46.50 |
| | | | | BO011 C.S. CARABINIERI SEZ. ATLETICA | |
| 46 | TRICCA Michele | 1993 | M | ITA ITALY | 46.56 |
| | | | | RM056 G.A. FIAMME GIALLE | |
| 24 | CORSA Daniele | 1996 | M | ITA ITALY | 46.63 |
| | | | | BR147 FOLGORE BRINDISI | |
| 26 | DI GIAMBATTISTA Mario | 1988 | M | ITA ITALY | 47.23 |
| | | | | RM555 A.S.D. ATLETICA FUTURA ROMA | |
| 35 | OZIGBO Osaremen Godstim | 1993 | M | NGR NIGERIA | 47.27 |
| | | | | RM237 ATLETICA DEI GELSI | |
| 28 | GALATI Alessandro | 1995 | M | ITA ITALY | 47.28 |
| | | | | RM555 A.S.D. ATLETICA FUTURA ROMA | |
| 31 | INCANTALUPO Vito | 1993 | M | ITA ITALY | 47.62 |
| | | | | BN208 ASD ENTERPRISE SPORT & SERVICE | |
| 43 | SCISCIONE Casimiro | 1990 | M | ITA ITALY | 48.36 |
| | | | | RM555 A.S.D. ATLETICA FUTURA ROMA | |
| 25 | DAVID Claudio | 1991 | M | ITA ITALY | 48.59 |
| | | | | PE001 ASD U.S. ATERNO PESCARA | |
| 42 | SARDO Alfio Andrea | 1996 | M | ITA ITALY | 48.59 |
| | | | | PA001 A.S.D. C.U.S. PALERMO | |
| 45 | TREVISANI Giorgio | 1996 | M | ITA ITALY | 48.62 |
| | | | | RI223 ATL.STUD. RIETI ANDREA MILARDI | |
| 22 | BRUSCHI Filippo | 1993 | M | ITA ITALY | 48.75 |
| | | | | FI002 ATLETICA FIRENZE MARATHON S.S. | |
| 30 | GRASSI Giorgio | 1994 | M | ITA ITALY | 48.87 |
| | | | | RM237 ATLETICA DEI GELSI | |
| 36 | PAGNINI Alex | 1994 | M | ITA ITALY | 48.92 |
| | | | | PG014 ATL.CAPANNE PRO LOCO ATHL.TEAM | |
| 40 | ROSATO Valerio | 1992 | M | ITA ITALY | 48.95 |
| | | | | PE001 ASD U.S. ATERNO PESCARA | |
| 19 | BERNABEI Davide | 1998 | M | ITA ITALY | 48.98 |
| | | | | BO014 ATL. IMOLA SACMI AVIS | |
| 27 | FRANCO Alessandro | 1986 | M | ITA ITALY | 49.39 |
| | | | | RM161 ATL. ROMA ACQUACETOSA | |
| 32 | LAURICELLA Salvatore | 1995 | M | ITA ITALY | 49.48 |
| | | | | PA001 A.S.D. C.U.S. PALERMO | |
| 41 | SANTAMARIA Giuseppe | 1991 | M | ITA ITALY | 49.53 |
| | | | | PA001 A.S.D. C.U.S. PALERMO | |
| 23 | CATALANI Luca | 1995 | M | ITA ITALY | 49.59 |
| | | | | FI002 ATLETICA FIRENZE MARATHON S.S. | |
| 34 | MESTRINER Daniele | 1992 | M | ITA ITALY | 49.59 |
| | | | | GE002 A.S.D. C.U.S. GENOVA | |
| 38 | PINA BARROS Joao Carlos | 1999 | M | ITA ITALY | 49.77 |
| | | | | AO004 ATLETICA SANDRO CALVESI | |
| 20 | BIANCO Edoardo | 1999 | M | ITA ITALY | 49.80 |
| | | | | RM057 FIAMME GIALLE G. SIMONI | |
| 39 | PONTIGGIA Giovanni Mari | 1994 | M | ITA ITALY | 49.91 |
| | | | | FI002 ATLETICA FIRENZE MARATHON S.S. | |
| 37 | PAUZANO Marco | 1995 | M | ITA ITALY | 49.92 |
| | | | | RM243 SPORTRACE | |
| 44 | TEDESCHI Gabriele | 1998 | M | ITA ITALY | 50.01 |
| | | | | PI071 CUS PISA | |
| 21 | BIZZOCCHI Wondwosen | 1992 | M | ITA ITALY | 50.06 |
| | | | | TR024 ASS.ATL.LIBERTAS ORVIETO | |
| 29 | GHILARDINI Enrico | 1999 | M | ITA ITALY | 50.10 |
| | | | | BO014 ATL. IMOLA SACMI AVIS | |
|