| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Prima, Marija D (19)
|
PVTANK |
59.97 |
1:00.60 |
0.63 |
| 2 |
Caponiti, Adrianna L (14)
|
PVRMSC |
55.03 |
1:01.55 |
6.52 |
| 3 |
Golovina, Julia A (16)
|
NJMCSC |
1:01.41 |
1:01.57 |
0.16 |
| 4 |
Severini, Sydney G (16)
|
NJJFAC |
1:04.53 |
1:01.84 |
-2.69 |
| 5 |
Tsang, Elizabeth (16)
|
NJMCSC |
1:02.84 |
1:01.95 |
-0.89 |
| 6 |
Conzemius, Ethena R (17)
|
AMRXA |
1:03.49 |
1:02.06 |
-1.43 |
| 7 |
Wilson, Taylor M (16)
|
MDEST |
1:02.91 |
1:02.27 |
-0.64 |
| 8 |
Allen, Delaney R (16)
|
AMRXA |
1:03.64 |
1:02.44 |
-1.20 |
| 9 |
Carpentieri, Jordan P (16)
|
MRIA |
1:09.21 |
1:02.91 |
-6.30 |
| 10 |
Chen, Sarah S (18)
|
CTCDOG |
1:02.50 |
1:03.21 |
0.71 |
| 11 |
Hannam, Emma I (16)
|
PVOCCS |
1:04.54 |
1:03.47 |
-1.07 |
| 12 |
Haas, Emma C (15)
|
MRIA |
1:09.53 |
1:03.74 |
-5.79 |
| 13 |
Newton, Tori C (19)
|
CTCDOG |
1:07.13 |
1:03.87 |
-3.26 |
| 14 |
Jordan, Noelle R (16)
|
MRIA |
1:10.35 |
1:04.58 |
-5.77 |