| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mullin, Allison B (16)
|
MRLGAC |
1:04.92 |
1:04.46 |
-0.46 |
| 1 |
Euyoque, Nicole A (15)
|
MRWEST |
1:07.13 |
1:05.17 |
-1.96 |
| 2 |
Favata, Ashlee C (16)
|
MRLIE |
1:05.10 |
1:05.53 |
0.43 |
| 2 |
Immel, Elizabeth A (17)
|
MRLIE |
1:08.75 |
1:12.46 |
3.71 |
| 3 |
Jelic, Magdalena L (15)
|
MRYFD |
1:05.02 |
1:05.86 |
0.84 |
| 4 |
Flores, Isabella (15)
|
MRQNS |
1:07.22 |
1:06.13 |
-1.09 |
| 5 |
Trinidad, Mianny L (15)
|
MRRED |
1:06.39 |
1:06.27 |
-0.12 |
| 5 |
Traynor, Ania K (15)
|
MRBAD |
1:08.52 |
1:06.27 |
-2.25 |
| 7 |
Draven, Jessie Z (16)
|
MRYFD |
1:06.55 |
1:06.33 |
-0.22 |
| 8 |
Ha, Kara (15)
|
MRLIFE |
1:08.04 |
1:06.77 |
-1.27 |
| 9 |
Carss, Cali M (16)
|
MRYFD |
1:06.27 |
1:07.14 |
0.87 |
| 10 |
Pintal, Natalia (15)
|
MRQNS |
1:08.31 |
1:07.27 |
-1.04 |
| 11 |
Chang, Isabella M (15)
|
MRQNS |
1:07.63 |
1:07.36 |
-0.27 |
| 12 |
Corcuera, Carolina D (15)
|
MRLGAC |
1:05.62 |
1:07.41 |
1.79 |
| 13 |
Egbert, Alexis A (15)
|
MRLIE |
1:07.41 |
1:07.89 |
0.48 |
| 14 |
Li, Jaimie (16)
|
MRYFD |
1:08.31 |
1:08.32 |
0.01 |
| 15 |
Leal, Ashley (15)
|
MRRED |
1:08.53 |
1:08.38 |
-0.15 |
| 16 |
Chuk, Megan (15)
|
MRFREE |
1:08.03 |
1:08.64 |
0.61 |
| 17 |
Clemente-Cong, Lily A (17)
|
MRYFD |
1:10.26 |
1:08.74 |
-1.52 |
| 18 |
Soldo, Ava C (16)
|
MRYFD |
1:08.47 |
1:08.93 |
0.46 |
| 19 |
Ambery, Shannon J (17)
|
MRCIY |
1:09.60 |
1:08.98 |
-0.62 |
| 20 |
Zhenilenko, Kathryn (15)
|
MRHES |
1:07.06 |
1:09.64 |
2.58 |
| 21 |
Marcotullio, Isabella X (17)
|
MRYFD |
1:06.85 |
1:10.05 |
3.20 |
|
Walsh, Jessica M (15)
|
MRLIE |
1:07.74 |
NS |
- |
|
McDonald, Mary J (15)
|
MRQNS |
1:08.34 |
NS |
- |