| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
McGourty, Megan R (10)
|
MRBGNW |
39.50 |
41.50 |
2.00 |
| 2 |
Coppola, Sophia M (10)
|
MRBGNW |
42.79 |
41.75 |
-1.04 |
| 3 |
O'Donnell, Katherine A (10)
|
MRBGNW |
45.48 |
42.54 |
-2.94 |
| 4 |
Grayson, Kelsey R (9)
|
MRBGNW |
44.46 |
44.40 |
-0.06 |
| 5 |
Leung, Megan S (10)
|
MRLIAC |
46.43 |
47.54 |
1.11 |
| 6 |
Zhang, Angelina (10)
|
MRLIAC |
49.61 |
47.80 |
-1.81 |
| 7 |
White, Finley M (9)
|
MRBGNW |
46.79 |
48.22 |
1.43 |
| 8 |
Lovig, Natalie J (9)
|
MRBGNW |
48.50 |
49.35 |
0.85 |
| 9 |
Lettieri, Isabella V (10)
|
MRLIAC |
50.71 |
49.70 |
-1.01 |
| 10 |
Gordon, Meredith G (10)
|
MRYMID |
50.26 |
50.37 |
0.11 |
| 11 |
King, Madison P (9)
|
MRBGNW |
52.48 |
52.75 |
0.27 |
| 12 |
Aikman, Neve C (9)
|
MRYMID |
52.95 |
54.79 |
1.84 |
| 13 |
Lugassy, Leora M (10)
|
MRBGNW |
52.76 |
55.00 |
2.24 |
| 14 |
Higgins, Alice B (9)
|
MRBGNW |
56.00 |
55.15 |
-0.85 |
| 15 |
Keane, Riley E (9)
|
MRYMID |
|
57.68 |
- |
| 16 |
Rivera, Kallista E (10)
|
MRLIAC |
56.31 |
58.56 |
2.25 |
| 17 |
Slomsky, Megan A (9)
|
MRBGNW |
1:06.66 |
59.91 |
-6.75 |
| 18 |
Linehan, Madison C (9)
|
MRBGNW |
|
1:02.43 |
- |