| 1 | Vergani Andrea | 1997 | Canottieri Vittorino Da Feltre | 00'49''62 | 742 |  |  | |
50m 23.43 (23.43) 100m 49.62 (26.19) [49.62] |
| 2 | Zherebetskyy Taras | 1997 | Gestisport Coop SSD - Carugate | 00'50''80 | 692 | | | |
50m 24.44 (24.44) 100m 50.80 (26.36) [50.80] |
| 3 | Catalano Francesco Lamberto | 1997 | Vittoria Alata Nuoto ASD - Brescia | 00'51''16 | 677 | | | |
50m 24.16 (24.16) 100m 51.16 (27.00) [51.16] |
| 4 | Alberti Andrea | 1997 | Gestisport Coop SSD - Carugate | 00'51''20 | 676 | | | |
50m 24.27 (24.27) 100m 51.20 (26.93) [51.20] |
| 5 | Ravassi Alessandro | 1995 | Team Lombardia Nuoto MGM SSD | 00'51''40 | 668 | | | |
50m 24.95 (24.95) 100m 51.40 (26.45) [51.40] |
| 6 | Facchetti Luca | 1996 | Sporting Club 63 SSD - Mozzate | 00'51''69 | 657 | | | |
50m 25.01 (25.01) 100m 51.69 (26.68) [51.69] |
| 7 | Broglia Francesco | 1991 | Sport Management Atleti Lombardi SSD | 00'51''83 | 651 | | | |
50m 25.19 (25.19) 100m 51.83 (26.64) [51.83] |
| 8 | Toniolo Simone | 1996 | Sporting Club 63 SSD - Mozzate | 00'51''99 | 645 | | | |
50m 25.17 (25.17) 100m 51.99 (26.82) [51.99] |
| 9 | Mariucci Luca | 1997 | Sport Management Atleti Lombardi SSD | 00'52''00 | 645 | | | |
50m 25.47 (25.47) 100m 52.00 (26.53) [52.00] |
| 10 | Fedeli Nicolo' | 1993 | Canottieri Bissolati | 00'52''03 | 644 | | | |
50m 25.10 (25.10) 100m 52.03 (26.93) [52.03] |
| 11 | Cesarini Andrea | 1995 | Sport Management Atleti Lombardi SSD | 00'52''41 | 630 | | | |
50m 25.67 (25.67) 100m 52.41 (26.74) [52.41] |
| 12 | Pennini Riccardo | 1993 | Canottieri Bissolati | 00'52''62 | 622 | | | |
50m 25.10 (25.10) 100m 52.62 (27.52) [52.62] |
| 13 | Sinigaglia Luca | 1993 | Sport Management Atleti Lombardi SSD | 00'53''06 | 607 | | | |
50m 24.67 (24.67) 100m 53.06 (28.39) [53.06] |
| 14 | Franchi Denis | 1995 | Team Lombardia Nuoto MGM SSD | 00'53''32 | 598 | | | |
50m 25.01 (25.01) 100m 53.32 (28.31) [53.32] |
| 15 | Caputo Alessio Michele | 1995 | MC2 Swim Team Buccinasco | 00'53''83 | 581 | | | |
50m 25.34 (25.34) 100m 53.83 (28.49) [53.83] |
| 16 | Nicosia Enrico | 1996 | In Sport SSD - Vimercate | 00'54''02 | 575 | | | |
50m 25.86 (25.86) 100m 54.02 (28.16) [54.02] |
| 17 | De Pascali Edoardo | 1996 | Sport Management Atleti Lombardi SSD | 00'54''06 | 574 | | | |
50m 25.71 (25.71) 100m 54.06 (28.35) [54.06] |
| 18 | Chioda Riccardo | 1996 | SPM Sport SSD - Paullo | 00'54''55 | 559 | | | |
50m 25.50 (25.50) 100m 54.55 (29.05) [54.55] |
| 19 | Vimercati Francesco | 1997 | Gestisport Coop SSD - Carugate | 00'55''07 | 543 | | | |
50m 25.70 (25.70) 100m 55.07 (29.37) [55.07] |
| 20 | Agnottoli Stefano | 1997 | Gestisport Coop SSD - Carugate | 00'55''24 | 538 | | | |
50m 26.26 (26.26) 100m 55.24 (28.98) [55.24] |
