| 1 | Vannucchi Andrea | 2003 | Azzurra Nuoto Prato | 01'05''49 | 612 |  |  | |
25m 13.87 (13.87) 50m 30.24 (16.37) 75m 47.77 (17.53) 100m 1:05.49 (17.72) [1:05.49] |
| 2 | Suardini Matteo | 2002 | Centro Nuoto Torino | 01'06''32 | 589 | | | |
25m 14.39 (14.39) 50m 31.32 (16.93) 75m 48.59 (17.27) 100m 1:06.32 (17.73) [1:06.32] |
| 3 | Vannelli Giulio | 2002 | Azzurra Nuoto Prato | 01'06''92 | 573 | | | |
25m 14.66 (14.66) 50m 31.46 (16.80) 75m 48.91 (17.45) 100m 1:06.92 (18.01) [1:06.92] |
| 4 | Nociti Alessandro | 2002 | Centro Nuoto Torino | 01'07''25 | 565 | | | |
25m 14.49 (14.49) 50m 31.23 (16.74) 75m 48.95 (17.72) 100m 1:07.25 (18.30) [1:07.25] |
| 5 | Garbarino Federico Edoardo | 2002 | Genova Nuoto My Sport SSD | 01'07''32 | 563 | | | |
25m 15.04 (15.04) 50m 31.76 (16.72) 75m 49.41 (17.65) 100m 1:07.32 (17.91) [1:07.32] |
| 6 | Formosa Ivan | 2003 | Circolo Canottieri Aniene | 01'07''71 | 553 | | | |
25m 14.59 (14.59) 50m 31.64 (17.05) 75m 49.47 (17.83) 100m 1:07.71 (18.24) [1:07.71] |
| 7 | Eustachio Gabriele | 2003 | Asti Nuoto | 01'08''92 | 525 | | | |
25m 15.10 (15.10) 50m 32.61 (17.51) 75m 50.37 (17.76) 100m 1:08.92 (18.55) [1:08.92] |
| 8 | Morchio Davide | 2003 | Genova Nuoto My Sport SSD | 01'08''93 | 525 | | | |
25m 14.99 (14.99) 50m 32.34 (17.35) 75m 50.01 (17.67) 100m 1:08.93 (18.92) [1:08.93] |
| 9 | Trovarelli Samuele | 2003 | Nuoto Club Milano | 01'09''17 | 519 | | | |
25m 15.58 (15.58) 50m 33.04 (17.46) 75m 50.86 (17.82) 100m 1:09.17 (18.31) [1:09.17] |
| 10 | Bonaiti Lorenzo | 2003 | Nuotatori Milanesi | 01'09''25 | 517 | | | |
25m 14.38 (14.38) 50m 31.65 (17.27) 75m 50.48 (18.83) 100m 1:09.25 (18.77) [1:09.25] |
| 11 | Moranda Alessio | 2002 | Libertas Nuoto Novara ASD | 01'10''09 | 499 | | | |
25m 14.82 (14.82) 50m 32.11 (17.29) 75m 50.31 (18.20) 100m 1:10.09 (19.78) [1:10.09] |
| 12 | Gaione Francesco | 2002 | Genova Nuoto My Sport SSD | 01'10''32 | 494 | | | |
25m 15.19 (15.19) 50m 32.86 (17.67) 75m 51.32 (18.46) 100m 1:10.32 (19.00) [1:10.32] |
| 13 | Pesce Riccardo | 2003 | Genova Nuoto My Sport SSD | 01'10''47 | 491 | | | |
25m 14.80 (14.80) 50m 32.09 (17.29) 75m 50.86 (18.77) 100m 1:10.47 (19.61) [1:10.47] |
| 14 | Bagarolo Isaia | 2003 | Gabbiano SRL SSD | 01'10''79 | 484 | | | |
25m 14.90 (14.90) 50m 32.79 (17.89) 75m 51.44 (18.65) 100m 1:10.79 (19.35) [1:10.79] |
| 15 | Fazio Federico | 2003 | Nuoto Club Milano | 01'11''15 | 477 | | | |
25m 15.48 (15.48) 50m 33.37 (17.89) 75m 52.01 (18.64) 100m 1:11.15 (19.14) [1:11.15] |
| 16 | Santerini Marco | 2003 | Nuoto UISP 2003 - Cascina | 01'11''60 | 468 | | | |
25m 15.24 (15.24) 50m 33.45 (18.21) 75m 52.22 (18.77) 100m 1:11.60 (19.38) [1:11.60] |
| 17 | Vianello Roberto | 2003 | In Sport Rane Rosse | 01'13''26 | 437 | | | |
25m 15.55 (15.55) 50m 33.95 (18.40) 75m 53.10 (19.15) 100m 1:13.26 (20.16) [1:13.26] |
| 18 | Torrente Marco | 2002 | Polisportiva Mimmo Ferrito SSD | 01'13''62 | 430 | | | |
25m 15.98 (15.98) 50m 34.50 (18.52) 75m 53.49 (18.99) 100m 1:13.62 (20.13) [1:13.62] |
| 19 | Salvatori Daniele | 2003 | Gruppo Sportivo Aragno SSD | 01'13''81 | 427 | | | |
25m 16.01 (16.01) 50m 34.47 (18.46) 75m 53.87 (19.40) 100m 1:13.81 (19.94) [1:13.81] |
| 20 | Capitanio Daniel Pio | 2003 | Azzurra Race Team | 01'14''00 | 424 | | | |
25m 16.03 (16.03) 50m 34.76 (18.73) 75m 53.89 (19.13) 100m 1:14.00 (20.11) [1:14.00] |
| 21 | Scaccia Lorenzo | 2003 | Gruppo Sportivo Aragno SSD | 01'17''59 | 368 | | | |
25m 16.92 (16.92) 50m 36.15 (19.23) 75m 56.78 (20.63) 100m 1:17.59 (20.81) [1:17.59] |
