| 1 | Di Giovanni Emanuele | 2003 | Tennis Club New Country | 02'13''39 | 496 |  |  | |
50m 32.09 (32.09) 100m 1:05.94 (33.85) [1:05.94] 150m 1:39.34 (33.40) 200m 2:13.39 (34.05) [1:07.45] |
| 2 | Fabrizi Enrico | 2003 | Circolo Canottieri Aniene | 02'16''09 | 467 | | | |
50m 32.89 (32.89) 100m 1:08.03 (35.14) [1:08.03] 150m 1:42.86 (34.83) 200m 2:16.09 (33.23) [1:08.06] |
| 3 | Farfalla Marco | 2003 | Ippocampo SSD - Roma | 02'18''63 | 442 | | | |
50m 32.53 (32.53) 100m 1:07.40 (34.87) [1:07.40] 150m 1:43.32 (35.92) 200m 2:18.63 (35.31) [1:11.23] |
| 4 | Bazzoni Federico | 2003 | Primavera Campus SSD SRL | 02'18''95 | 439 | | | |
50m 32.37 (32.37) 100m 1:07.57 (35.20) [1:07.57] 150m 1:43.25 (35.68) 200m 2:18.95 (35.70) [1:11.38] |
| 5 | Lombardi Samuele | 2003 | Roman Sport City SSD | 02'19''20 | 436 | | | |
50m 32.85 (32.85) 100m 1:08.05 (35.20) [1:08.05] 150m 1:44.16 (36.11) 200m 2:19.20 (35.04) [1:11.15] |
| 6 | Miron Simone | 2003 | Tennis Club New Country | 02'19''49 | 434 | | | |
50m 31.47 (31.47) 100m 1:04.48 (33.01) [1:04.48] 150m 1:40.44 (35.96) 200m 2:19.49 (39.05) [1:15.01] |
| 7 | Durante Christian | 2003 | Sistemi Integrati Sport ASD - Roma | 02'21''15 | 419 | | | |
50m 34.07 (34.07) 100m 1:10.27 (36.20) [1:10.27] 150m 1:46.15 (35.88) 200m 2:21.15 (35.00) [1:10.88] |
| 8 | Gianvenuti Riccardo | 2003 | Sistemi Integrati Sport ASD - Roma | 02'21''43 | 416 | | | |
50m 32.95 (32.95) 100m 1:08.97 (36.02) [1:08.97] 150m 1:45.61 (36.64) 200m 2:21.43 (35.82) [1:12.46] |
| 9 | Santucci Federico | 2003 | Village Nuoto ASD - Cerveteri | 02'21''78 | 413 | | | |
50m 32.71 (32.71) 100m 1:07.95 (35.24) [1:07.95] 150m 1:44.52 (36.57) 200m 2:21.78 (37.26) [1:13.83] |
| 10 | Gabrel Samuel | 2003 | Sergio De Gregorio SSD | 02'21''98 | 411 | | | |
50m 32.69 (32.69) 100m 1:08.57 (35.88) [1:08.57] 150m 1:45.36 (36.79) 200m 2:21.98 (36.62) [1:13.41] |
| 11 | Denni Matteo | 2003 | Circolo Canottieri Aniene | 02'24''00 | 394 | | | |
50m 33.62 (33.62) 100m 1:10.30 (36.68) [1:10.30] 150m 1:47.59 (37.29) 200m 2:24.00 (36.41) [1:13.70] |
| 12 | Costa Antonio | 2003 | Circolo Nuoto Sporting Club Cassino SSD | 02'24''76 | 388 | | | |
50m 33.98 (33.98) 100m 1:11.30 (37.32) [1:11.30] 150m 1:48.89 (37.59) 200m 2:24.76 (35.87) [1:13.46] |
| 13 | Antonacci Davide | 2003 | Rari Nantes Aprilia | 02'24''80 | 388 | | | |
50m 35.45 (35.45) 100m 1:11.26 (35.81) [1:11.26] 150m 1:47.86 (36.60) 200m 2:24.80 (36.94) [1:13.54] |
| 14 | Leurini Emanuele | 2003 | Stelle Marine SSD | 02'24''96 | 386 | | | |
50m 34.18 (34.18) 100m 1:10.99 (36.81) [1:10.99] 150m 1:48.11 (37.12) 200m 2:24.96 (36.85) [1:13.97] |
| 15 | Santacroce Leonardo | 2003 | Sistemi Integrati Sport ASD - Roma | 02'26''19 | 377 | | | |
50m 33.53 (33.53) 100m 1:10.12 (36.59) [1:10.12] 150m 1:47.97 (37.85) 200m 2:26.19 (38.22) [1:16.07] |
| 16 | Luzzi Lorenzo | 2003 | Ippocampo SSD - Roma | 02'27''28 | 368 | | | |
50m 34.39 (34.39) 100m 1:12.10 (37.71) [1:12.10] 150m 1:50.59 (38.49) 200m 2:27.28 (36.69) [1:15.18] |
| 17 | Evangelisti Francesco | 2003 | Larus Nuoto ASD - Roma | 02'28''54 | 359 | | | |
50m 34.18 (34.18) 100m 1:11.16 (36.98) [1:11.16] 150m 1:50.00 (38.84) 200m 2:28.54 (38.54) [1:17.38] |
| 18 | Bukhmenov Alexey | 2003 | Centro Sportivo Babel SSD | 02'28''84 | 357 | | | |
50m 36.03 (36.03) 100m 1:13.63 (37.60) [1:13.63] 150m 1:51.75 (38.12) 200m 2:28.84 (37.09) [1:15.21] |
| 19 | Carbone Carlo | 2003 | Larus Nuoto ASD - Roma | 02'31''01 | 342 | | | |
50m 35.25 (35.25) 100m 1:13.50 (38.25) [1:13.50] 150m 1:52.90 (39.40) 200m 2:31.01 (38.11) [1:17.51] |
| 20 | Russo Giovanni | 2003 | Octopus SSD - Roma | 02'34''35 | 320 | | | |
50m 35.64 (35.64) 100m 1:14.82 (39.18) [1:14.82] 150m 1:54.98 (40.16) 200m 2:34.35 (39.37) [1:19.53] |
| 21 | Desideri Edoardo | 2003 | H2o Nuoto - Roma | 02'37''06 | 304 | | | |
50m 35.68 (35.68) 100m 1:14.83 (39.15) [1:14.83] 150m 1:56.20 (41.37) 200m 2:37.06 (40.86) [1:22.23] |
