| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kalweit, Marian M (10)
|
MNMSI |
1:17.60 |
1:17.33 |
-0.27 |
| 2 |
Prekker, Nora E (10)
|
MNMSI |
1:20.69 |
1:19.16 |
-1.53 |
| 3 |
Frederick, Piper R (10)
|
MWMW |
1:19.54 |
1:19.21 |
-0.33 |
| 4 |
Hitzeman, Marin E (10)
|
MNMSI |
1:19.68 |
1:20.54 |
0.86 |
| 5 |
Dixon, Sarah J (10)
|
OKOK |
1:21.63 |
1:21.15 |
-0.48 |
| 6 |
LaCoursiere, Mirabelle G (10)
|
ILIL |
1:21.84 |
1:22.37 |
0.53 |
| 7 |
Pufahl, Brynlee M (9)
|
ILIL |
1:13.44 |
1:23.29 |
9.85 |
| 8 |
Hodge, Allie C (10)
|
ILIL |
1:20.93 |
1:23.48 |
2.55 |
| 9 |
Hamilton, Eileen V (10)
|
ILIL |
1:13.90 |
1:23.54 |
9.64 |
| 10 |
Schrimpf, Adelaide H (10)
|
ILIL |
1:23.68 |
1:23.76 |
0.08 |
| 11 |
Isom, Sophia K (10)
|
MVMV |
1:19.77 |
1:23.91 |
4.14 |
| 12 |
Qian, Anna H (10)
|
OKOK |
1:22.07 |
1:24.28 |
2.21 |
| 13 |
Gardiner, Kamryn E (10)
|
ILIL |
1:23.39 |
1:24.31 |
0.92 |
| 14 |
Weiner, Sasha B (10)
|
MVMV |
1:20.19 |
1:24.44 |
4.25 |
| 15 |
Marsh, Ella G (10)
|
MVMV |
1:21.99 |
1:24.75 |
2.76 |
| 16 |
Piriyakulvej, Palinee P (10)
|
ILIL |
1:24.31 |
1:24.78 |
0.47 |
| 17 |
Bell, Keira M (10)
|
MNMSI |
1:24.10 |
1:24.86 |
0.76 |
| 18 |
Cottingham, Julia J (10)
|
OKOK |
1:20.61 |
1:25.42 |
4.81 |
| 19 |
Schwab, McKinley (10)
|
SDSD |
|
1:31.15 |
- |
| 20 |
Klappenback, Evelyn H (10)
|
MWMW |
|
1:34.61 |
- |
| 21 |
Sears, Norah F (10)
|
NDND |
|
1:40.49 |
- |
| 22 |
Newton, Lucy E (10)
|
ARAR |
|
1:41.11 |
- |
| 23 |
Lawrence-Benz, Lillian E (10)
|
ARAR |
|
1:42.80 |
- |
| 24 |
Hanson, Payton K (10)
|
NDND |
|
1:58.72 |
- |