| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gnagey, Anna E (12)
|
MDBAAC |
43.94 |
38.68 |
-5.26 |
| 2 |
O'Brien, Makenzie M (11)
|
MDEST |
41.76 |
39.17 |
-2.59 |
| 3 |
Kinnear, Emily L (12)
|
MDEST |
41.68 |
39.19 |
-2.49 |
| 4 |
Rippeon, Genevieve N (12)
|
MDEST |
41.61 |
41.69 |
0.08 |
| 5 |
Zeiler, Sophi A (12)
|
MDEST |
43.85 |
42.77 |
-1.08 |
| 6 |
Plaisted, Lucy B (12)
|
MDBAAC |
48.07 |
43.97 |
-4.10 |
| 7 |
Kravitz-Yoffee, Mollie J (12)
|
MDBAAC |
50.32 |
45.01 |
-5.31 |
| 8 |
Birdsall, Caroline R (11)
|
MDEST |
40.33 |
45.13 |
4.80 |
| 9 |
Segura, McKenna A (11)
|
MDEST |
48.96 |
45.71 |
-3.25 |
| 10 |
Kayastha, Alphia M (12)
|
MDEST |
45.36 |
45.74 |
0.38 |
| 11 |
Watson, Georgia N (12)
|
MDACSS |
55.06 |
46.41 |
-8.65 |
| 12 |
Pasquinelli, Lillian R (12)
|
MDACSS |
50.46 |
48.41 |
-2.05 |
| 13 |
Reese, Kallkidan D (11)
|
MDEST |
48.49 |
49.34 |
0.85 |
| 14 |
Gaynor, Chelsi L (11)
|
MDEST |
50.45 |
50.05 |
-0.40 |
| 15 |
Marx, Kendall E (12)
|
MDACSS |
|
51.01 |
- |
| 16 |
Cray, Aliceanna J (11)
|
MDJCC |
|
51.75 |
- |
| 17 |
Wollenweber, Olivia B (11)
|
MDEST |
54.23 |
51.84 |
-2.39 |
| 18 |
Reese, Tarik D (11)
|
MDEST |
50.17 |
52.29 |
2.12 |
| 19 |
Boarman, Ann M (11)
|
MDEST |
50.92 |
52.45 |
1.53 |
| 20 |
Roussell, Alycia M (11)
|
MDBAAC |
1:00.18 |
1:00.34 |
0.16 |