| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Anderson, Kate E (17)
|
MRBAD |
17:08.36 |
17:01.97 |
-6.39 |
| 2 |
Vega, Isabella M (15)
|
MRBAD |
17:06.18 |
17:26.31 |
20.13 |
| 3 |
Guzzino, Mary Grace S (17)
|
MRBGNW |
17:29.41 |
17:44.07 |
14.66 |
| 4 |
Sheridan, Rory N (17)
|
MRWEST |
17:33.06 |
17:45.84 |
12.78 |
| 5 |
White, Sienna R (16)
|
MRBGNW |
18:04.95 |
18:09.49 |
4.54 |
| 6 |
Bazinet, Julia M (17)
|
MRBAD |
18:04.90 |
18:18.91 |
14.01 |
| 7 |
Sweeney, Kait A (16)
|
MRBAD |
17:40.00 |
18:20.42 |
40.42 |
| 8 |
Lord, Sophia (15)
|
MRBAD |
18:19.99 |
18:41.94 |
21.95 |
| 9 |
Richman, Emma K (17)
|
MRBGNW |
18:23.92 |
18:53.12 |
29.20 |
| 10 |
Euyoque, Nicole A (15)
|
MRWEST |
18:47.62 |
18:53.42 |
5.80 |
| 11 |
Joyce, Margaret K (16)
|
MRBGNW |
18:57.27 |
18:57.25 |
-0.02 |
| 12 |
Weber, Tessa L (15)
|
MRAGUA |
18:47.86 |
19:04.29 |
16.43 |
| 13 |
Carousso, Natalie M (15)
|
MRBGNW |
18:38.75 |
19:04.74 |
25.99 |
| 14 |
Traynor, Ania K (16)
|
MRBAD |
19:50.93 |
19:14.32 |
-36.61 |
| 15 |
Tassier, Katherine A (16)
|
MRBGNW |
19:45.90 |
20:26.25 |
40.35 |
| 16 |
Fagan, Paige C (16)
|
MRBGNW |
20:56.88 |
21:57.53 |
60.65 |
| 17 |
Williams, Laura A (17)
|
MRBGNW |
|
22:01.88 |
- |
|
Vitti, Kate L (15)
|
MRBGNW |
18:08.38 |
NS |
- |
|
Johnson, Lily R (17)
|
MRAGUA |
21:36.97 |
NS |
- |