| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kljaic, Tara (13)
|
LEGYB |
1:12.70 |
1:09.89 |
-2.81 |
| 2 |
Austin, Havana (14)
|
COUN |
1:24.31 |
1:11.46 |
-12.85 |
| 3 |
Siftar, Violet M (13)
|
LERYD |
1:14.30 |
1:13.50 |
-0.80 |
| 4 |
Campbell, Hope M (14)
|
LERYD |
1:23.95 |
1:15.32 |
-8.63 |
| 5 |
Serafimov, Raechel F (13)
|
LECFYN |
|
1:15.41 |
- |
| 6 |
Turk, Reanna T (14)
|
LECFYN |
1:15.77 |
1:16.81 |
1.04 |
| 7 |
Seeley, Danica (13)
|
LEGYB |
1:17.11 |
1:17.01 |
-0.10 |
| 8 |
Roussat, Grace G (13)
|
LERYD |
1:18.00 |
1:17.05 |
-0.95 |
| 9 |
Russell, Andie J (13)
|
LECFYN |
1:18.46 |
1:17.48 |
-0.98 |
| 10 |
Reed, Julia L (14)
|
LECFYN |
|
1:18.21 |
- |
| 11 |
Trimbitas, Stephanie M (13)
|
LERYD |
1:20.67 |
1:18.45 |
-2.22 |
| 12 |
Arnold, Anna C (13)
|
LERYD |
1:15.72 |
1:19.00 |
3.28 |
| 13 |
Helbig, Claire K (13)
|
LECFYN |
1:23.51 |
1:19.34 |
-4.17 |
| 14 |
Ries, Jamie L (14)
|
LECFYN |
1:24.29 |
1:23.07 |
-1.22 |
| 15 |
Gerschutz, Mallory (13)
|
WAD |
1:30.00 |
1:28.83 |
-1.17 |
| 16 |
Embry, Ella G (13)
|
LECFYN |
1:29.80 |
1:31.29 |
1.49 |
| 17 |
Valdez, Emilia I (14)
|
LECFYN |
1:32.36 |
1:31.37 |
-0.99 |
|
Crosscut, Kaitlyn M (14)
|
COUN |
1:05.63 |
NS |
- |