| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kalweit, Marian M (10)
|
MNMSI |
1:11.96 |
1:08.80 |
-3.16 |
| 2 |
Klappenback, Evelyn H (10)
|
MWMW |
1:11.87 |
1:09.23 |
-2.64 |
| 3 |
Lewis, Madison R (10)
|
ILIL |
1:11.69 |
1:09.89 |
-1.80 |
| 4 |
Kranz, Justine M (10)
|
SDSD |
1:12.00 |
1:10.53 |
-1.47 |
| 5 |
Piriyakulvej, Palinee P (10)
|
ILIL |
1:11.63 |
1:11.17 |
-0.46 |
| 6 |
Kruse, Hayden L (10)
|
ILIL |
1:12.53 |
1:11.41 |
-1.12 |
| 7 |
Karst, Lula G (10)
|
SDSD |
1:12.44 |
1:11.83 |
-0.61 |
| 8 |
Katz, Sophie (10)
|
MNMSI |
1:11.88 |
1:12.17 |
0.29 |
| 9 |
Forebaugh, Molly G (10)
|
ILIL |
1:12.23 |
1:12.32 |
0.09 |
| 10 |
Schrimpf, Adelaide H (10)
|
ILIL |
1:12.14 |
1:12.47 |
0.33 |
| 11 |
Schott, Vivian P (10)
|
MNMSI |
1:12.02 |
1:12.58 |
0.56 |
| 12 |
Dehmlow, Emma G (10)
|
MNMSI |
1:12.70 |
1:12.89 |
0.19 |
| 13 |
Walley, Samantha R (10)
|
MVMV |
|
1:13.55 |
- |
| 14 |
Schwab, McKinley (10)
|
SDSD |
1:11.79 |
1:13.72 |
1.93 |
| 15 |
Dixon, Sarah J (10)
|
OKOK |
|
1:13.80 |
- |
| 16 |
Weiner, Sasha B (10)
|
MVMV |
1:12.83 |
1:14.03 |
1.20 |
| 17 |
Bruns, Linnea K (10)
|
NDND |
|
1:16.39 |
- |
| 18 |
Cottingham, Julia J (10)
|
OKOK |
|
1:16.61 |
- |
| 19 |
Wall, Josie K (10)
|
ARAR |
|
1:17.02 |
- |
| 20 |
Pierce, Norah J (10)
|
NDND |
|
1:17.05 |
- |
| 21 |
Newton, Lucy E (10)
|
ARAR |
|
1:17.16 |
- |
| 22 |
Frederick, Piper R (10)
|
MWMW |
|
1:17.19 |
- |