| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Avila, Alexa (12)
|
FGBMHG |
1:07.93 |
1:07.36 |
-0.57 |
| 2 |
Duardo, Erika (11)
|
FGBMHG |
1:10.17 |
1:09.01 |
-1.16 |
| 3 |
Bozzuto, Alyssa M (12)
|
FGJDST |
1:07.12 |
1:09.25 |
2.13 |
| 4 |
Rotchin, Leorah M (12)
|
FGWOW |
1:07.97 |
1:11.61 |
3.64 |
| 5 |
Macaulay, Anna M (12)
|
FGJDST |
1:12.55 |
1:12.80 |
0.25 |
| 6 |
Andrade, Dayana (11)
|
FGWOW |
1:17.81 |
1:14.64 |
-3.17 |
| 7 |
Dowling, Niamh (12)
|
FGJDST |
1:14.92 |
1:15.54 |
0.62 |
| 8 |
Gisonni, Isabella M (12)
|
FGWOW |
1:16.88 |
1:15.77 |
-1.11 |
| 9 |
Montes, Isabella (11)
|
FGBMHG |
1:17.84 |
1:16.36 |
-1.48 |
| 10 |
Ocasio, Mackenzie E (12)
|
FGYSPB |
1:17.85 |
1:16.95 |
-0.90 |
| 11 |
Glenn, Darby S (12)
|
FGWOW |
1:23.32 |
1:18.68 |
-4.64 |
| 12 |
Baratta, Amanda M (11)
|
FGWOW |
1:18.52 |
1:19.44 |
0.92 |
| 13 |
Amersi, Lily R (11)
|
FGJDST |
1:25.64 |
1:19.79 |
-5.85 |
| 14 |
Mesic, Julia K (11)
|
FGYSPB |
1:20.62 |
1:20.26 |
-0.36 |
| 15 |
Alcala, Karen (11)
|
FGBMHG |
1:20.83 |
1:20.59 |
-0.24 |
| 16 |
Cogle, Siri A (11)
|
FGJDST |
1:31.97 |
1:21.17 |
-10.80 |
| 17 |
Rubin, Makena (11)
|
FGWOW |
1:37.61 |
1:22.13 |
-15.48 |
| 18 |
Miller, Hannah M (12)
|
UNAT |
|
1:25.54 |
- |
| 19 |
Muller, Averie C (12)
|
FGJDST |
1:38.26 |
1:32.37 |
-5.89 |
| 20 |
Kappes, Anastasiya L (12)
|
FGWOW |
|
1:32.63 |
- |
| 21 |
Kneiss, Addison G (12)
|
FGMART |
|
1:33.54 |
- |
| 22 |
Simons, Madeleine C (11)
|
FGLLL |
1:53.63 |
1:41.23 |
-12.40 |
| 23 |
Leonard, Marlie F (12)
|
FGLLL |
1:56.64 |
1:44.67 |
-11.97 |
| 24 |
Chopin, Emeline J (11)
|
FGLLL |
|
1:52.53 |
- |
|
McDonald, Mia M (12)
|
FGJDST |
1:20.88 |
DQ |
- |
|
Rock, Julia B (12)
|
FGWOW |
|
DQ |
- |
|
Montelbano, Melyana M (12)
|
FGYSPB |
|
DQ |
- |