| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gutierrez, Lucianna G (15)
|
MRWEST |
56.84 |
57.05 |
0.21 |
| 2 |
Tjahaya, Nikko I (15)
|
MRQNS |
59.13 |
58.64 |
-0.49 |
| 3 |
Posada, Zenya J (17)
|
MRWEST |
56.17 |
1:00.21 |
4.04 |
| 4 |
Lin, Angelina J (15)
|
MRQNS |
1:01.08 |
1:00.44 |
-0.64 |
| 5 |
Pfeiffer, Alexandra T (17)
|
MRWEST |
58.05 |
1:00.89 |
2.84 |
| 6 |
Kang, Joy (16)
|
MRWEST |
1:02.28 |
1:01.92 |
-0.36 |
| 7 |
Gallo, Samantha E (16)
|
MRQNS |
1:00.15 |
1:02.24 |
2.09 |
| 8 |
Trinidad, Mianny (17)
|
MRRED |
59.18 |
1:02.53 |
3.35 |
| 9 |
Torres, Sofia R (14)
|
MRWEST |
59.07 |
1:02.68 |
3.61 |
| 10 |
Tamura, Lynn (13)
|
MRWEST |
1:02.11 |
1:03.17 |
1.06 |
| 11 |
Morin, Eva (14)
|
MRWEST |
1:05.03 |
1:04.16 |
-0.87 |
| 12 |
Reis, Sophie M (13)
|
MRWEST |
1:03.34 |
1:05.07 |
1.73 |
| 13 |
Fasolino, Sofia (13)
|
MRWEST |
1:05.82 |
1:05.32 |
-0.50 |
| 14 |
Kim, Olivia (13)
|
MRPAC |
1:09.00 |
1:07.20 |
-1.80 |
| 15 |
Horney, Alexandra J (13)
|
MRWEST |
1:10.25 |
1:07.45 |
-2.80 |
| 16 |
Spencer-Edwards, Lauren A (13)
|
MRQNS |
1:07.12 |
1:09.73 |
2.61 |
| 17 |
Bharam, Mia A (14)
|
MRPAC |
1:03.12 |
1:10.54 |
7.42 |
| 18 |
Riccio, Allison J (14)
|
MRPAC |
1:10.02 |
1:12.84 |
2.82 |
| 19 |
Rapisarda, Claudia (15)
|
MRWEST |
1:13.24 |
1:15.03 |
1.79 |