| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Brown, Olivia (10)
|
MRTS |
40.42 |
39.90 |
-0.52 |
| 2 |
Amato, Dorothy R (10)
|
MRTS |
44.47 |
42.20 |
-2.27 |
| 3 |
Leonard, Julia E (10)
|
MRNBS |
44.97 |
43.09 |
-1.88 |
| 4 |
Paggi, Sofia C (10)
|
MRLBA |
44.83 |
44.10 |
-0.73 |
| 5 |
Rezler, Kristina (10)
|
MRTS |
44.58 |
44.34 |
-0.24 |
| 6 |
Regenauer, Magdalena G (10)
|
MRNBS |
45.35 |
46.20 |
0.85 |
| 7 |
DeGeorge, Sadie (9)
|
MRPBAC |
45.56 |
46.54 |
0.98 |
| 8 |
Howard, Alyssa (10)
|
MRLBA |
47.79 |
47.54 |
-0.25 |
| 9 |
Goodwin, Isabella G (10)
|
MRRFAC |
46.91 |
47.62 |
0.71 |
| 10 |
Deangelis, Stephanie R (10)
|
MRLBA |
47.30 |
49.33 |
2.03 |
| 11 |
Kuliecza, Vivienne R (10)
|
MRMCBY |
53.59 |
49.44 |
-4.15 |
| 12 |
Vogt, Olivia G (10)
|
MRLBA |
48.68 |
50.34 |
1.66 |
| 13 |
Fuchs, Zoe M (9)
|
MRAG |
56.13 |
50.80 |
-5.33 |
| 14 |
Davis, Fiona C (8)
|
MRLBA |
56.99 |
51.36 |
-5.63 |
| 15 |
Minchak, Jami E (9)
|
MRLBA |
54.71 |
52.64 |
-2.07 |
| 16 |
Korzniewski, Anna-Ella (10)
|
MRLBA |
52.60 |
52.87 |
0.27 |
| 17 |
Parreno, Antonia N (9)
|
MRLBA |
50.66 |
53.50 |
2.84 |
| 18 |
Greene, Lillian J (9)
|
MRMCBY |
55.21 |
54.35 |
-0.86 |
| 19 |
Harkins, Morgan (8)
|
MRLBA |
56.94 |
56.12 |
-0.82 |
| 20 |
Kelly, Ciara (9)
|
MRAG |
59.22 |
57.98 |
-1.24 |
| 21 |
Martinez, Renata A (8)
|
MRRFAC |
1:00.69 |
1:02.40 |
1.71 |
| 22 |
Strabuk, Summer R (7)
|
MRLBA |
1:02.42 |
1:03.53 |
1.11 |
| 23 |
Hasimaj, Keila (8)
|
MRMCBY |
1:17.74 |
1:06.47 |
-11.27 |
| 24 |
Dowson, Molly B (9)
|
MRPBAC |
56.12 |
1:08.09 |
11.97 |
| 25 |
Haydt, Abigail G (7)
|
MRNBS |
1:27.79 |
1:10.71 |
-17.08 |
| 26 |
Riccardi, Rachael A (9)
|
MRNBS |
1:16.99 |
1:24.62 |
7.63 |
|
Hasimaj, Briana (9)
|
MRMCBY |
1:07.92 |
DQ |
- |
|
VanDalinda, Allison M (9)
|
MRNBS |
|
DQ |
- |
|
Richter, Violet (7)
|
MRLBA |
|
DQ |
- |
|
Moriarty, Machara B (7)
|
MRLBA |
|
DQ |
- |
|
Moriarty, Finella S (7)
|
MRLBA |
|
DQ |
- |