| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Cho, Anna Y (8)
|
ADALBS |
52.18 |
52.40 |
0.22 |
| 2 |
Relyea, Cadence G (8)
|
ADDELM |
52.08 |
53.43 |
1.35 |
| 3 |
Cao, Aimee W (8)
|
ADJJSC |
55.97 |
57.42 |
1.45 |
| 4 |
Fargione, Brittany K (8)
|
ADDELM |
|
57.50 |
- |
| 5 |
Wultsch-Fuller, Sonja E (8)
|
ADNTS |
57.36 |
58.37 |
1.01 |
| 6 |
Shukla, Aarya O (8)
|
ADSCHE |
|
58.76 |
- |
| 7 |
Walker, Eleanor A (8)
|
ADCLRK |
1:04.60 |
1:01.96 |
-2.64 |
| 8 |
Sekelj, Ella S (7)
|
ADNTS |
1:06.29 |
1:08.11 |
1.82 |
| 9 |
Yager, Myah Y (8)
|
ADCANA |
1:12.39 |
1:09.38 |
-3.01 |
| 10 |
Andreescu, Alexandra M (7)
|
ADNTS |
|
1:17.02 |
- |
| 11 |
Adam, Sophia M (8)
|
ADCLRK |
|
1:32.59 |
- |
| 12 |
Hou, Irena Y (6)
|
ADDELM |
|
1:38.06 |
- |
| 13 |
Coates, Carly N (8)
|
ADNTS |
1:28.00 |
1:46.04 |
18.04 |
|
Carroll, Sarah J (8)
|
ADUN |
1:12.98 |
DQ |
- |
|
Klein, Carter A (8)
|
ADSCHE |
1:08.99 |
DQ |
- |
|
Thew, Ella T (8)
|
ADWAVE |
|
DQ |
- |
|
Yastrzemski, Sofia Jane J (8)
|
ADCLRK |
|
DQ |
- |
|
Gollhofer, Madeline C (7)
|
ADCLRK |
|
DQ |
- |
|
Banik, Noel Y (8)
|
ADALBS |
|
DQ |
- |
|
Lyons, Avery G (6)
|
ADBFIN |
|
NS |
- |