| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Karnaugh, Daniela B (12)
|
NJTWST |
33.61 |
33.46 |
-0.15 |
| 1 |
Kolessar, Kaitlyn R (11)
|
MASSC |
38.54 |
36.92 |
-1.62 |
| 1 |
Maurya, Anshi (11)
|
MAUMAC |
40.73 |
40.84 |
0.11 |
| 2 |
Duncheskie, Grace C (12)
|
MASPFD |
32.04 |
34.13 |
2.09 |
| 2 |
LaPlaunt, Katelyn (12)
|
MACAC |
|
37.84 |
- |
| 2 |
Ciamaichelo, Clara N (12)
|
MALMOR |
|
40.95 |
- |
| 3 |
Page, Zoe L (11)
|
MACBST |
37.01 |
35.44 |
-1.57 |
| 3 |
Mitchell, Victoria S (12)
|
MASSC |
39.72 |
38.26 |
-1.46 |
| 3 |
Mottershead, Freya L (11)
|
MACBFY |
45.23 |
42.05 |
-3.18 |
| 4 |
Thoennes, Emma R (11)
|
MAPENN |
37.00 |
35.89 |
-1.11 |
| 4 |
Bahn, Sophia E (12)
|
MATHY |
43.10 |
42.44 |
-0.66 |
| 5 |
Ott, Cassidy M (11)
|
MASSC |
43.25 |
42.65 |
-0.60 |
| 6 |
Danser, Julia A (12)
|
MATRA |
48.78 |
43.70 |
-5.08 |
| 7 |
Russ, Olivia (12)
|
MACBFY |
44.21 |
44.07 |
-0.14 |
| 8 |
Waked, Christelle M (12)
|
MATRA |
49.12 |
44.21 |
-4.91 |
| 9 |
Majewski, Madeline J (11)
|
MACBST |
43.81 |
44.32 |
0.51 |
| 10 |
Rahardjo, Seraphim C (11)
|
MASSC |
44.56 |
44.66 |
0.10 |
| 11 |
Si, Christina K (11)
|
MASSC |
46.43 |
45.01 |
-1.42 |
| 12 |
Baicoianu, Ada (12)
|
MAUMAC |
47.26 |
45.08 |
-2.18 |
| 13 |
Ruch, Elizabeth P (12)
|
MACBST |
|
45.25 |
- |
| 14 |
Senior, Mina (11)
|
MACBFY |
47.53 |
45.65 |
-1.88 |
| 15 |
Payne, Kathleen E (11)
|
MAUMAC |
1:04.68 |
46.57 |
-18.11 |
| 16 |
Bottino, Gianna M (11)
|
MACBST |
|
46.93 |
- |
| 17 |
Satheesh, Varunikha M (11)
|
MACBST |
|
47.53 |
- |
| 18 |
Magliaro, Lauren M (12)
|
MACBFY |
50.28 |
47.65 |
-2.63 |
| 19 |
Shapiro, Sarah (11)
|
MACBFY |
49.82 |
48.39 |
-1.43 |
| 20 |
Clarke, Kathryn (11)
|
MACBFY |
48.09 |
49.09 |
1.00 |
| 21 |
Liu, Cheryl (11)
|
MACBFY |
51.59 |
49.41 |
-2.18 |
| 22 |
Graham, Emily C (11)
|
MASSC |
54.19 |
51.20 |
-2.99 |
|
Elston, Ayanna G (11)
|
MATRA |
|
NS |
- |
|
Dietrick, Tessa J (11)
|
MASSC |
45.49 |
NS |
- |
|
Poon, Jaime C (11)
|
MACBST |
44.69 |
NS |
- |
|
Traylor, Evelyn R (12)
|
MAUMAC |
45.26 |
NS |
- |