| Pett. | Atleta | Anno | Cat. | Società - Stato Estero | Accredito |
| 48 | ACETI Vladimir | 1998 | AM | MI214 ATL. VIS NOVA GIUSSANO | 47.98 |
| 91 | RANCAN Michele | 1998 | AM | VI626 ATL.VICENTINA | 48.03 |
| 92 | ROMANI Andrea | 1999 | AM | NA062 S.S.D. CENTRO ESTER NAPOLI ARL | 48.68 |
| 95 | STUCCHI Filippo | 1998 | AM | CO011 A.S. MERATE LA TERMOTECNICA | 49.76 |
| 54 | BERNABEI Davide | 1998 | AM | BO014 ATL. IMOLA SACMI AVIS | 49.80 |
| 58 | CAMPANA Davide | 1999 | AM | RM555 E.SERVIZI ATL. FUTURA ROMA | 50.25 |
| 83 | MORAT Andrea | 1998 | AM | TO016 ASDP ATLETICA PINEROLO | 50.36 |
| 90 | RACCA Alessandro | 1998 | AM | CN001 A.S.D. ATL. FOSSANO '75 | 50.36 |
| 93 | SCHIEVANO Giovanni | 1998 | AM | PD194 CORPO LIBERO ATHLETICS TEAM | 50.39 |
| 77 | MARSEGLIA Vincenzo | 1998 | AM | NA019 A.S.D. ATL. MARANO | 50.42 |
| 59 | CATALANO Gioele | 1999 | AM | RM046 ACSI CAMPIDOGLIO PALATINO | 50.54 |
| 49 | ALBRECHT Michael | 1999 | AM | BZ019 SPORTCLUB MERAN ASV | 50.85 |
| 53 | BASSAN Giorgio | 1998 | AM | VI626 ATL.VICENTINA | 50.85 |
| 70 | FILIPPO Simone | 1998 | AM | TN104 GS VALSUGANA TRENTINO | 50.88 |
| 66 | DELL'ACQUA Alessandro | 1998 | AM | CO023 ATL. ROVELLASCA | 50.96 |
| 60 | CIOTTI Antonio | 1998 | AM | RM161 ATL. ROMA ACQUACETOSA | 51.05 |
| 68 | FEMIA Luca | 1998 | AM | TO034 GRUPPO SPORTIVI CHIVASSESI | 51.10 |
| 73 | GJETJA Klaudio | 1999 | AM | MI089 PRO SESTO ATL. | 51.12 |
| 76 | MARCUCCIO Gabriele | 1999 | AM | LE640 ASD ATHLETIC&WALKING SALENTO | 51.14 |
| 78 | MASSA Simone | 1999 | AM | CN020 A.S.D. G.S. ROATA CHIUSANI | 51.17 |
| 63 | CRISCI Federico | 1998 | AM | BN208 ASD ENTERPRISE SPORT & SERVICE | 51.23 |
| 72 | GIOVANARDI Alberto | 1998 | AM | BS575 ATL. VIRTUS CASTENEDOLO | 51.28 |
| 79 | MASTROIANNI Nicolo' | 1999 | AM | RI223 ATL. STUDENTESCA CA.RI.RI | 51.34 |
| 62 | COZZI Filippo | 1998 | AM | CO056 G.S. BERNATESE | 51.39 |
| 50 | ASARO Valerio | 1998 | AM | PA001 A.S.D. C.U.S. PALERMO | 51.44 |
| 86 | PACCHIARDI Giovanni | 1998 | AM | TO226 ATLETICA PIEMONTE ASD | 51.47 |
| 88 | PORETTI Lorenzo | 1998 | AM | VA550 U.POL. GAVIRATE | 51.49 |
| 94 | SIMONETTO Nicola | 1998 | AM | PN002 LIBERTAS SANVITESE IPEROTTICA | 51.53 |
| 55 | BIANCIARDI Lapo | 1998 | AM | FI001 ASSI GIGLIO ROSSO FIRENZE | 51.56 |
| 87 | PEGORARO Lorenzo | 1998 | AM | VI626 ATL.VICENTINA | 51.56 |
| 85 | NICOSIA Samuele | 1999 | AM | RE105 G.S.SELF ATL. MONTANARI GRUZZA | 51.58 |
| 69 | FERRARA Alessio | 1998 | AM | LI038 CENTRO ATLETICA PIOMBINO | 51.60 |
| 98 | ZANIOL Matteo | 1998 | AM | VE474 GA ARISTIDE COIN VENEZIA 1949 | 51.65 |
| 97 | VALENTINI Giovanni | 1999 | AM | VR836 GIANCARLO BIASIN ILLASI ASD | 51.71 |
| 56 | BIANCO Edoardo | 1999 | AM | RM057 FIAMME GIALLE G. SIMONI | 51.77 |
| 89 | PROVINO Andrea | 1999 | AM | TO002 SISPORT FIAT | 51.84 |
| 74 | GRASSINI Emanuele | 1998 | AM | MI077 CUS PRO PATRIA MILANO | 51.89 |
| 64 | D'ERME Gabriele | 1999 | AM | RM038 LYCEUM ROMA XIII A.P.D. | 51.90 |
| 99 | ZIYADA Marcello | 1999 | AM | RI223 ATL. STUDENTESCA CA.RI.RI | 51.90 |
| 81 | MONTIN Patrick | 1998 | AM | BZ066 ATHLETIC CLUB 96 AE SPA | 51.91 |
| 57 | BREDA Sergio | 1998 | AM | BG371 S. CLUB ALZANO | 51.91 |
| 67 | DONATI Enrico | 1998 | AM | CO011 A.S. MERATE LA TERMOTECNICA | 51.97 |
| 52 | BARETTI Marco | 1998 | AM | RM161 ATL. ROMA ACQUACETOSA | 52.00 |
| 80 | MEHMETI Valdrin | 1998 | AM | UD030 ATLETICA MALIGNANI LIBERTAS UD | 52.01 |
| | | | | RKS KOSSOVO REPUBLIC EQUIPARATO | |
| 65 | DE LUCA Cristian | 1999 | AM | RM555 E.SERVIZI ATL. FUTURA ROMA | 52.04 |
| 75 | GRIGIONI Francesco | 1998 | AM | FI018 TOSCANA ATLETICA FUTURA | 52.05 |
| 82 | MONTUORI Giacomo | 1998 | AM | MI080 ATL. RICCARDI MILANO | 52.08 |
| 84 | MURZI Federico | 1998 | AM | NA062 S.S.D. CENTRO ESTER NAPOLI ARL | 52.11 |
| 51 | BALLETTI Simone | 1998 | AM | BO124 ATL. CASTENASO CELTIC DRUID | 52.12 |
| 61 | COLAIACOVO Filippo | 1999 | AM | MI077 CUS PRO PATRIA MILANO | 52.14 |
| 71 | FOIADELLI Edoardo | 1998 | AM | BG003 ATL. BERGAMO 1959 CREBERG | 52.20 |
| 96 | TUCCI Leonardo | 1998 | AM | FI001 ASSI GIGLIO ROSSO FIRENZE | 52.20 |
|