| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
El Ghissassi, Sidra S (8)
|
NIVEST |
47.49 |
47.18 |
-0.31 |
| 2 |
Wang, Bethany B (6)
|
NIKRKN |
46.69 |
50.01 |
3.32 |
| 3 |
Leonard, Kaitllyn S (8)
|
NIWAAC |
52.89 |
50.50 |
-2.39 |
| 4 |
Kuksenkova, Maria M (9)
|
NIKRKN |
|
50.94 |
- |
| 5 |
Ramos, Daniela I (8)
|
NIUNAC |
49.27 |
51.04 |
1.77 |
| 6 |
Robinson, Elizabeth K (9)
|
NIWAAC |
52.55 |
53.13 |
0.58 |
| 7 |
Denlinger, Elizabeth J (9)
|
NIWAAC |
1:04.05 |
57.16 |
-6.89 |
| 8 |
Ryan, Natalie C (9)
|
NIUNAC |
59.47 |
59.83 |
0.36 |
| 9 |
Knowlton, Ava L (9)
|
NIKRKN |
1:15.98 |
1:06.13 |
-9.85 |
| 10 |
Blakely-Armitage, Fiona S (9)
|
NIISWM |
57.13 |
1:10.46 |
13.33 |
| 11 |
Chin, Evelyn (7)
|
NIKRKN |
|
1:28.06 |
- |
|
Long, Kathryn M (8)
|
NIKRKN |
|
DQ |
- |
|
Yu, Vicky Z (6)
|
NIKRKN |
|
DQ |
- |
|
Henderson, Madeline R (9)
|
NIWAAC |
1:11.07 |
DQ |
- |
|
Welles, Lauryn E (8)
|
NIWAAC |
|
NS |
- |