| 1 | Glessi Lorenzo | 1998 | ITA Italia | 00'55''52 | 684 |  |  | |
50m 26.93 (26.93) 100m 55.52 (28.59) [55.52] |
| 2 | Ponzio Simone | 1997 | Rari Nantes Torino | 00'56''89 | 636 | | | |
50m 27.49 (27.49) 100m 56.89 (29.40) [56.89] |
| 3 | Miressi Alessandro | 1998 | Centro Nuoto Torino | 00'57''00 | 632 | | | |
50m 27.83 (27.83) 100m 57.00 (29.17) [57.00] |
| 4 | Zangrandi Lorenzo | 1997 | Canottieri Vittorino Da Feltre | 00'57''02 | 632 | | | |
50m 27.97 (27.97) 100m 57.02 (29.05) [57.02] |
| 5 | Ricciardi Nicolas | 1997 | Centro Nuoto Torino | 00'57''76 | 608 | | | |
50m 28.34 (28.34) 100m 57.76 (29.42) [57.76] |
| 6 | Bertuzzi Lorenzo | 1998 | Imolanuoto | 00'58''02 | 600 | | | |
50m 28.11 (28.11) 100m 58.02 (29.91) [58.02] |
| 7 | Carini Giacomo | 1997 | ITA Italia | 00'58''22 | 593 | | | |
50m 28.13 (28.13) 100m 58.22 (30.09) [58.22] |
| 8 | Scarfo' Alessandro | 1997 | Centro Nuoto Torino | 00'58''76 | 577 | | | |
50m 28.52 (28.52) 100m 58.76 (30.24) [58.76] |
| 9 | Santi Nicolo' | 1998 | Nuotatori Milanesi | 00'59''42 | 558 | | | |
50m 28.65 (28.65) 100m 59.42 (30.77) [59.42] |
| 10 | Lora Erik | 1998 | CSR Granda | 00'59''60 | 553 | | | |
50m 29.12 (29.12) 100m 59.60 (30.48) [59.60] |
| 11 | Stassi Luca | 1997 | Blu Sport - Orbassano | 01'00''08 | 540 | | | |
50m 29.08 (29.08) 100m 1:00.08 (31.00) [1:00.08] |
| 12 | Ferrari Gabriele | 1997 | Gestisport Coop SSD - Carugate | 01'00''69 | 524 | | | |
50m 29.61 (29.61) 100m 1:00.69 (31.08) [1:00.69] |
| 13 | Randi Luca | 1998 | Team Insubrika - Creval | 01'01''30 | 508 | | | |
50m 29.64 (29.64) 100m 1:01.30 (31.66) [1:01.30] |
| 14 | Siviero Diego | 1997 | On Sport Vinovo SSD | 01'01''33 | 508 | | | |
50m 29.39 (29.39) 100m 1:01.33 (31.94) [1:01.33] |
| 15 | Sabbioni Riccardo | 1997 | SUI Swimming Team Savosa | 01'01''72 | 498 | | | |
50m 30.13 (30.13) 100m 1:01.72 (31.59) [1:01.72] |
| 16 | Portesi Simone | 1998 | AN I Delfini 88 - Merone | 01'01''78 | 497 | | | |
50m 30.07 (30.07) 100m 1:01.78 (31.71) [1:01.78] |
| 17 | Ortone Andrea | 1998 | A.P.D. Dynamic Sport | 01'02''26 | 485 | | | |
50m 30.12 (30.12) 100m 1:02.26 (32.14) [1:02.26] |
| 18 | Acutis Gianluca | 1998 | Dinamica Sport SSD | 01'04''02 | 446 | | | |
50m 30.02 (30.02) 100m 1:04.02 (34.00) [1:04.02] |
| 19 | Masi Francesco | 1998 | CSR Granda | 01'04''05 | 446 | | | |
50m 30.94 (30.94) 100m 1:04.05 (33.11) [1:04.05] |
| 20 | Renaldo Marco | 1997 | CSR Granda | 01'05''60 | 415 | | | |
50m 31.86 (31.86) 100m 1:05.60 (33.74) [1:05.60] |
| 21 | Sponsiello Chetra | 1997 | AN I Delfini 88 - Merone | 01'06''72 | 394 | | | |
50m 32.26 (32.26) 100m 1:06.72 (34.46) [1:06.72] |
| 22 | Cassano Filippo | 1997 | Centro Nuoto Torino | 01'08''07 | 371 | | | |
50m 33.98 (33.98) 100m 1:08.07 (34.09) [1:08.07] |
| 23 | Capelli Manuel | 1998 | Bergamo Swim Team | 01'08''42 | 365 | | | |
50m 33.48 (33.48) 100m 1:08.42 (34.94) [1:08.42] |
| 24 | Borin Simone | 1997 | A.P.D. Dynamic Sport | 01'08''96 | 357 | | | |
50m 33.78 (33.78) 100m 1:08.96 (35.18) [1:08.96] |
