| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Brzac, Claudia E (8)
|
MRTS |
50.24 |
47.39 |
-2.85 |
| 2 |
Sachs, Ariella (8)
|
MRTS |
49.08 |
47.82 |
-1.26 |
| 3 |
Ruppert, Emelia A (8)
|
MRCSDC |
56.91 |
54.24 |
-2.67 |
| 4 |
Rasavongseuk, Katelyn (7)
|
MRTS |
51.62 |
58.31 |
6.69 |
| 5 |
Severin, Olivia M (8)
|
MRTVSC |
57.00 |
59.80 |
2.80 |
| 6 |
Chu, Jocelyn C (8)
|
MRTVSC |
1:00.11 |
1:00.06 |
-0.05 |
| 7 |
Kleine Berkenbusch, Lena B (8)
|
MRTVSC |
50.00 |
1:03.08 |
13.08 |
| 8 |
Mallo, Bree K (8)
|
MRTVSC |
1:05.76 |
1:03.73 |
-2.03 |
| 9 |
Marcin, Makayla A (8)
|
MRSSC |
1:06.24 |
1:06.14 |
-0.10 |
| 10 |
Tyler, Rebecca S (8)
|
MRTVSC |
1:11.86 |
1:08.22 |
-3.64 |
| 11 |
Marrugo, Luna (8)
|
MRTS |
1:11.47 |
1:13.07 |
1.60 |
| 12 |
Farr, Katherine T (8)
|
MRTVSC |
1:15.27 |
1:13.60 |
-1.67 |