| 1 | Guidarelli Margherita | 2003 | Circolo Canottieri Aniene | 01'08''48 | 518 |  |  | |
50m 32.90 (32.90) 100m 1:08.48 (35.58) [1:08.48] |
| | Bonanno Rebecca Maria | 2003 | G. Sport Village SSD - Roma | 01'08''48 | 518 | | | |
50m 33.70 (33.70) 100m 1:08.48 (34.78) [1:08.48] |
| 3 | Bartolucci Giulia | 2003 | Aurelia Nuoto ASD | 01'08''59 | 516 | | | |
50m 33.49 (33.49) 100m 1:08.59 (35.10) [1:08.59] |
| 4 | Cianfarani Marta | 2003 | Atleti Per Caso ASD | 01'09''03 | 506 | | | |
50m 33.67 (33.67) 100m 1:09.03 (35.36) [1:09.03] |
| 5 | Airoldi Giulia | 2003 | Aurelia Nuoto ASD | 01'09''80 | 490 | | | |
50m 33.84 (33.84) 100m 1:09.80 (35.96) [1:09.80] |
| 6 | Balducci Veronica | 2003 | Aria Sport SSD | 01'10''22 | 481 | | | |
50m 34.42 (34.42) 100m 1:10.22 (35.80) [1:10.22] |
| 7 | Geracitano Chiara | 2003 | Sport 2000 SSD - Roma | 01'10''93 | 466 | | | |
50m 34.32 (34.32) 100m 1:10.93 (36.61) [1:10.93] |
| 8 | Prinzi Alexandra | 2003 | Atlantide SSD - Ciampino | 01'11''05 | 464 | | | |
50m 35.11 (35.11) 100m 1:11.05 (35.94) [1:11.05] |
| 9 | Orsi Rebecca | 2003 | Rari Nantes Aprilia | 01'11''26 | 460 | | | |
50m 33.71 (33.71) 100m 1:11.26 (37.55) [1:11.26] |
| 10 | Porreca Alessia | 2003 | Life SSD ARL | 01'11''40 | 457 | | | |
50m 33.97 (33.97) 100m 1:11.40 (37.43) [1:11.40] |
| 11 | Rosati Maria Vittoria | 2003 | Larus Nuoto ASD - Roma | 01'12''36 | 439 | | | |
50m 35.79 (35.79) 100m 1:12.36 (36.57) [1:12.36] |
| 12 | Passarella Chiara | 2003 | Swim Project Venafro | 01'12''59 | 435 | | | |
50m 35.49 (35.49) 100m 1:12.59 (37.10) [1:12.59] |
| 13 | Iacovacci Giada | 2003 | Larus Nuoto ASD - Roma | 01'12''67 | 434 | | | |
50m 35.32 (35.32) 100m 1:12.67 (37.35) [1:12.67] |
| 14 | Sciannandrone Chiara | 2003 | Aurelia Nuoto ASD | 01'13''01 | 428 | | | |
50m 34.82 (34.82) 100m 1:13.01 (38.19) [1:13.01] |
| 15 | Scardala Alessia | 2003 | Aurelia Nuoto ASD | 01'13''26 | 423 | | | |
50m 35.98 (35.98) 100m 1:13.26 (37.28) [1:13.26] |
| 16 | Mussolino Alberta | 2003 | Aurelia Nuoto ASD | 01'13''44 | 420 | | | |
50m 36.02 (36.02) 100m 1:13.44 (37.42) [1:13.44] |
| 17 | Di Fulvio Giulia | 2003 | Zero9 ASD - Roma | 01'13''45 | 420 | | | |
50m 35.59 (35.59) 100m 1:13.45 (37.86) [1:13.45] |
| 18 | Mazza Paolina Beatrice | 2003 | Vita SSD | 01'13''46 | 420 | | | |
50m 35.72 (35.72) 100m 1:13.46 (37.74) [1:13.46] |
| 19 | De Giovanni Federica | 2003 | Sport 2000 SSD - Roma | 01'13''68 | 416 | | | |
50m 35.85 (35.85) 100m 1:13.68 (37.83) [1:13.68] |
| 20 | Carraffa Ginevra | 2003 | Gruppo Sportivo Fiamme Oro | 01'14''43 | 404 | | | |
50m 35.97 (35.97) 100m 1:14.43 (38.46) [1:14.43] |
| 21 | Muscuso Lisa | 2003 | Gruppo Sportivo Fiamme Oro | 01'14''80 | 398 | | | |
50m 37.18 (37.18) 100m 1:14.80 (37.62) [1:14.80] |
| 22 | Di Gennaro Paola | 2003 | Aurelia Nuoto ASD | 01'15''31 | 390 | | | |
50m 36.52 (36.52) 100m 1:15.31 (38.79) [1:15.31] |
