| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Paez, Isabella S (12)
|
MRBGNW |
1:01.48 |
1:01.49 |
0.01 |
| 2 |
Gormsen, Cavan V (11)
|
MRLIAC |
1:04.81 |
1:03.44 |
-1.37 |
| 3 |
So, Madison B (11)
|
MRLIAC |
1:07.21 |
1:04.23 |
-2.98 |
| 4 |
Canning, Eva M (12)
|
MRLIAC |
1:08.49 |
1:07.87 |
-0.62 |
| 5 |
Zhu, Emma (12)
|
MRBGNW |
1:10.85 |
1:08.65 |
-2.20 |
| 6 |
Raimondi, Francesca D (12)
|
MRLIAC |
1:09.25 |
1:09.43 |
0.18 |
| 7 |
Fried, Riley L (11)
|
MRLIAC |
1:09.75 |
1:09.60 |
-0.15 |
| 8 |
Dring, Samantha R (11)
|
MRLIAC |
1:09.96 |
1:11.48 |
1.52 |
| 9 |
Schneider, Alexandra G (12)
|
MRLIAC |
|
1:11.77 |
- |
| 10 |
McNulty, Emma G (12)
|
MRLIAC |
1:13.88 |
1:13.19 |
-0.69 |
| 11 |
Zorgman, Sunell (11)
|
MRBGNW |
1:20.11 |
1:13.49 |
-6.62 |
| 12 |
Ketron, Sara J (11)
|
MRBGNW |
1:16.01 |
1:15.21 |
-0.80 |
| 13 |
Vitti, Alexa A (11)
|
MRBGNW |
1:15.79 |
1:15.99 |
0.20 |
| 14 |
Pondok, Katelyn I (12)
|
MRBGNW |
1:20.32 |
1:19.00 |
-1.32 |
| 15 |
Convery, Sarah A (11)
|
MRBGNW |
1:25.86 |
1:19.15 |
-6.71 |
| 16 |
Sun, Julia (11)
|
MRBGNW |
1:22.25 |
1:20.59 |
-1.66 |
| 17 |
Fitzgerald, Alexandra R (12)
|
MRBGNW |
1:20.37 |
1:21.31 |
0.94 |