| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Katz, Sophie (10)
|
MNMSI |
1:28.33 |
1:30.51 |
2.18 |
| 2 |
Rubel, Nola A (10)
|
MWMW |
1:31.64 |
1:31.87 |
0.23 |
| 3 |
Bell, Keira M (10)
|
MNMSI |
1:32.16 |
1:31.90 |
-0.26 |
| 4 |
Sun, Nicole Z (10)
|
ILIL |
1:33.29 |
1:32.21 |
-1.08 |
| 5 |
Schieffer, Aspen J (10)
|
MNMSI |
1:33.89 |
1:32.30 |
-1.59 |
| 6 |
Mathiason, Madeline R (9)
|
MNMSI |
1:33.84 |
1:33.12 |
-0.72 |
| 7 |
Walker, Drew M (10)
|
ILIL |
1:34.81 |
1:33.31 |
-1.50 |
| 8 |
Bruns, Linnea K (10)
|
NDND |
1:34.07 |
1:33.82 |
-0.25 |
| 9 |
Strahammer, Lauryn O (10)
|
ILIL |
1:32.51 |
1:33.86 |
1.35 |
| 10 |
Katz, Elizabeth (10)
|
MNMSI |
1:33.22 |
1:34.02 |
0.80 |
| 11 |
Christianson, Claire L (10)
|
MNMSI |
1:34.29 |
1:35.36 |
1.07 |
| 12 |
Liu, Sophia W (10)
|
OKOK |
1:34.12 |
1:35.60 |
1.48 |
| 13 |
Enenbach, Olivia C (10)
|
MWMW |
|
1:37.50 |
- |
| 14 |
Karst, Lula G (10)
|
SDSD |
|
1:40.20 |
- |
| 15 |
Qian, Anna H (10)
|
OKOK |
|
1:40.79 |
- |
| 16 |
Tangpong, Nashatawn Y (10)
|
NDND |
|
1:43.57 |
- |
| 17 |
Kranz, Justine M (10)
|
SDSD |
|
1:47.37 |
- |
| 18 |
Lawrence-Benz, Lillian E (10)
|
ARAR |
|
1:49.98 |
- |
| 19 |
Penturf, Caroline A (10)
|
ARAR |
|
1:50.39 |
- |