| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Baird, Elena N (16)
|
PVRMSC |
18:10.89 |
17:50.81 |
-20.08 |
| 2 |
Iimi, Rin (15)
|
PVRMSC |
18:49.62 |
17:57.54 |
-52.08 |
| 3 |
Stubner, Greta M (16)
|
PVRMSC |
18:54.24 |
18:09.81 |
-44.43 |
| 4 |
Vidano, Kate T (16)
|
PVSDS |
18:47.97 |
18:18.79 |
-29.18 |
| 5 |
Wood, Augusta D (15)
|
PVHACC |
18:21.12 |
18:24.58 |
3.46 |
| 6 |
Yowell, Sarah A (17)
|
PVOCCS |
18:11.80 |
18:25.39 |
13.59 |
| 7 |
Monkevich, Madison G (15)
|
PVRMSC |
18:46.44 |
18:32.16 |
-14.28 |
| 8 |
Kaplan, Rebecca S (16)
|
PVMACH |
18:52.22 |
18:32.81 |
-19.41 |
| 9 |
Van Beek, Hope C (16)
|
PVNCAP |
18:21.32 |
18:34.70 |
13.38 |
| 10 |
Knick, Emma G (16)
|
PVNCAP |
18:58.52 |
18:40.81 |
-17.71 |
| 11 |
Ivanovskaya, Veronica (15)
|
PVRMSC |
19:34.97 |
18:41.82 |
-53.15 |
| 12 |
Buda, Lucy E (17)
|
PVMSSC |
19:28.84 |
18:43.41 |
-45.43 |
| 13 |
Haryanto, Karolina M (15)
|
PVRMSC |
18:51.04 |
18:45.66 |
-5.38 |
| 14 |
Nappi, Isabelle A (16)
|
PVBWST |
18:51.71 |
18:48.34 |
-3.37 |
| 15 |
Boughanem, Hanna Y (15)
|
PVFISH |
18:51.36 |
18:55.10 |
3.74 |
| 16 |
Waugh, Olivia F (13)
|
PVMACH |
19:34.74 |
18:55.52 |
-39.22 |
| 17 |
Fiedler, Megan L (18)
|
PVOCCS |
18:49.51 |
18:58.86 |
9.35 |
| 18 |
Cleal, Shelby L (18)
|
PVFISH |
18:28.98 |
19:02.91 |
33.93 |
| 19 |
Mietlicki, Rachel N (17)
|
PVYORK |
19:21.71 |
19:05.88 |
-15.83 |
| 20 |
Ly, Grace T (15)
|
PVNCAP |
19:34.40 |
19:17.21 |
-17.19 |
| 21 |
Austin, Candace A (16)
|
PVUN-C |
19:38.89 |
19:35.80 |
-3.09 |
| 22 |
Newman, Sarah B (15)
|
PVAAC |
19:11.85 |
20:42.38 |
90.53 |
|
Vidal, Juliana N (16)
|
PVNCAP |
19:08.96 |
DNF |
-1148.96 |