| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Suharev, Anna M (11)
|
MRFREE |
1:14.75 |
1:11.67 |
-3.08 |
| 2 |
Chevalier, Jane B (11)
|
MRBAD |
1:14.71 |
1:12.82 |
-1.89 |
| 3 |
Bronskikh, Valeriia N (11)
|
MRFREE |
1:12.88 |
1:13.03 |
0.15 |
| 4 |
Jukic, Emily N (11)
|
MRVIP |
1:12.12 |
1:13.74 |
1.62 |
| 5 |
Canales Alvizuri, Isabella N (11)
|
MRUN |
|
1:13.78 |
- |
| 6 |
Horney, Alexandra J (11)
|
MRWEST |
1:11.75 |
1:13.79 |
2.04 |
| 7 |
Wu, Lora W (11)
|
MRYFD |
1:15.11 |
1:14.01 |
-1.10 |
| 8 |
Spencer-Edwards, Lauren A (11)
|
MRQNS |
1:14.83 |
1:15.26 |
0.43 |
| 9 |
Curinnaia, Elena (11)
|
MRMPNY |
1:14.01 |
1:15.42 |
1.41 |
| 10 |
Zhu, Allison (11)
|
MRYFD |
1:14.94 |
1:15.54 |
0.60 |
| 11 |
Sherman, Alexa L (11)
|
MRLIE |
1:16.06 |
1:16.10 |
0.04 |
| 12 |
Spartioti, Maria E (11)
|
MRYFD |
1:18.00 |
1:17.76 |
-0.24 |
| 13 |
Gourevitch, Olivia K (11)
|
MRBAD |
1:17.43 |
1:18.00 |
0.57 |
|
Healy, Claire K (11)
|
MRYFD |
1:17.77 |
NS |
- |