| Place | Swimmer | Age | Club | Time | Std | Power pts |
|---|---|---|---|---|---|---|
| 1 | Finn Meyer | 10 | NESEAL | 42.49 | BB | 308 |
| 1 | Louise Simpson | 10 | NECC | 42.81 | BB | 305 |
| 2 | Adaline Chickering | 10 | NESEAL | 43.53 | B | 291 |
| 2 | Rama Kizito | 10 | NESEAL | 45.95 | B | 243 |
| 3 | Mariana Maher | 10 | NEPPSC | 46.00 | B | 246 |
| 4 | Deirdre Pofahl | 10 | NESEAL | 47.07 | — | 230 |
| 5 | Beatrice Slabbinck-Unser | 10 | NESEAL | 47.83 | B | 219 |
| 6 | Whitney Theriault | 11 | NESEAL | 49.57 | — | 172 |
| 7 | Eliza Levesque | 10 | NEPPSC | 50.13 | — | 190 |
| 8 | Molly Morris | — | NESEAC | 50.81 | — | 231 |
| 9 | Aria Burnham | 10 | NESEAL | 52.45 | — | 166 |
| 10 | Eleanor Vesely | 10 | NESEAC | 52.64 | — | 164 |
| 3 | Samuel Patey | 9 | NESEAC | 52.73 | — | 196 |
| 4 | Marcell Lengyel | 9 | NESEAL | 53.94 | — | 183 |
| 11 | Lily Romano | — | NEPPSC | 56.14 | — | 135 |
| 5 | Miles Hilton | 8 | NESEAL | 1:00.20 | — | — |
| 6 | Leo Funk | 9 | NESEAL | 1:00.43 | — | 130 |
| 7 | Ibrahim Kareem | 11 | NESEAL | 1:01.57 | — | 88 |
| 8 | Jack Voisine | — | NESEAL | 1:10.12 | — | 68 |