| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Parsia, Alexandra M (10)
|
MAPVAC |
40.77 |
38.55 |
-2.22 |
| 2 |
Reasons, Kayla J (9)
|
MARAD |
38.99 |
38.91 |
-0.08 |
| 3 |
Zelin, Brooke A (10)
|
MAPVAC |
40.93 |
39.79 |
-1.14 |
| 4 |
Vassallo, Margherita (10)
|
MARAD |
50.01 |
44.44 |
-5.57 |
| 5 |
Hickey, Lillian G (9)
|
MATRI |
48.94 |
46.63 |
-2.31 |
| 6 |
Whittemore, Lillian A (9)
|
MAGSA |
47.37 |
47.67 |
0.30 |
| 7 |
Fenlin, Milly (9)
|
MARAD |
|
49.43 |
- |
| 8 |
Tierney, Carson (9)
|
MARAD |
50.34 |
49.45 |
-0.89 |
| 9 |
Casey, Sofia (10)
|
MARAD |
|
49.75 |
- |
| 10 |
Lake, Alice M (9)
|
MARAD |
|
50.69 |
- |
| 11 |
Grau, Paige E (10)
|
MAUN! |
|
51.54 |
- |
| 12 |
Fanelli, Elayna R (9)
|
MARAD |
|
52.13 |
- |
| 13 |
Ade, Natalie G (9)
|
MARAD |
|
53.31 |
- |
| 14 |
Smallwood, Charlotte R (9)
|
MATRI |
48.27 |
53.51 |
5.24 |
| 15 |
Messmer, Gabriella B (9)
|
MAGSA |
1:00.03 |
58.39 |
-1.64 |
| 16 |
Condon, Grace D (10)
|
MAGSA |
|
58.98 |
- |
| 17 |
Persico, Alycia F (9)
|
MATRI |
|
1:00.49 |
- |
| 18 |
Metry, Gabrielle I (9)
|
MAPVAC |
|
1:00.67 |
- |
| 19 |
Bush, Emma J (10)
|
MATRI |
1:02.11 |
1:01.74 |
-0.37 |
| 20 |
Denhardt, Kaya N (10)
|
MARAD |
|
1:01.95 |
- |
| 21 |
Tolotta, Samantha H (9)
|
MATRI |
|
1:02.58 |
- |
| 22 |
Anand, Nithila (10)
|
MARAD |
|
1:03.24 |
- |
| 23 |
Kelly, Cailin M (10)
|
MARAD |
|
1:03.50 |
- |
| 24 |
Moran, Paige W (9)
|
MAUN! |
|
1:04.48 |
- |
| 25 |
Giuntoli, Alexandra C (10)
|
MARAD |
1:05.66 |
1:04.95 |
-0.71 |
| 26 |
Kush, McKenna L (9)
|
MAGSA |
|
1:05.79 |
- |
| 27 |
Gutshall, Jordyn K (10)
|
MAPVAC |
1:09.06 |
1:06.66 |
-2.40 |
|
Frascella, Juliana R (9)
|
MATRI |
|
DQ |
- |
|
Hyde, Emma H (10)
|
MARAD |
|
DQ |
- |
|
Dudley, Madeleine P (9)
|
MARAD |
|
DQ |
- |
|
Izzetoglu, Banu S (9)
|
MARAD |
|
NS |
- |
|
Daley-Gibson, Maeve (10)
|
MARAD |
|
NS |
- |