| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ogata, Olivia Y (10)
|
NISYCH |
44.01 |
43.42 |
-0.59 |
| 2 |
Miro, Marie-Claire N (12)
|
NISYCH |
47.32 |
43.63 |
-3.69 |
| 3 |
Joardar, Anushka (9)
|
NISYCH |
1:05.33 |
49.73 |
-15.60 |
| 4 |
Zizzo, Analisa S (11)
|
NISYCH |
|
52.40 |
- |
| 5 |
Zuckerbraun, Julah B (12)
|
NISCSD |
1:00.00 |
52.42 |
-7.58 |
| 6 |
Wheeler, Samantha A (7)
|
NISYCH |
1:00.93 |
56.93 |
-4.00 |
| 7 |
Trett, Janelle M (7)
|
NISCSD |
1:02.98 |
58.32 |
-4.66 |
| 8 |
Wan, Serena E (9)
|
NISYCH |
|
1:05.81 |
- |
| 9 |
Parish, Ella E (9)
|
NISYCH |
|
1:07.57 |
- |
|
Cimino, Gia M (7)
|
NISYCH |
|
DQ |
- |
|
Kerney, Fiona F (7)
|
NISCSD |
1:40.00 |
NS |
- |