| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
O'Connor, Bryn C (9)
|
MAHHAA |
1:21.97 |
1:17.74 |
-4.23 |
| 1 |
Bacinski, Riley (10)
|
NJHQH |
|
1:21.79 |
- |
| 2 |
DeMartinis, Liliana (10)
|
MASERP |
1:21.77 |
1:18.40 |
-3.37 |
| 2 |
Zimmerman, Adelyn A (9)
|
MALAC |
1:32.04 |
1:27.44 |
-4.60 |
| 3 |
Parry, Mia J (9)
|
MALAC |
1:19.84 |
1:25.29 |
5.45 |
| 3 |
Romero, Jocelyn M (10)
|
MALAC |
|
1:28.58 |
- |
| 4 |
Mothersbaugh, Eloise F (9)
|
MAHHAA |
|
1:33.15 |
- |
| 5 |
Brazer, Charlotte E (10)
|
MAGAAC |
1:31.34 |
1:33.94 |
2.60 |
| 6 |
Gonnella, Ava R (10)
|
MAGAAC |
1:39.25 |
1:35.91 |
-3.34 |
| 7 |
Fernando, Swetha A (10)
|
NJHQH |
|
1:36.38 |
- |
| 8 |
Bell, Sofia R (9)
|
MACHEL |
|
1:36.64 |
- |
| 9 |
Moore, Kathryn J (9)
|
MASERP |
1:37.68 |
1:39.28 |
1.60 |
| 10 |
Miller, Claire B (10)
|
MALAC |
|
1:43.04 |
- |
| 11 |
Ali, Hanane A (10)
|
MASERP |
1:50.65 |
1:43.14 |
-7.51 |
| 12 |
Baughman, Caroline E (9)
|
MAGAAC |
1:41.24 |
1:44.06 |
2.82 |
| 13 |
Amaev, Kaitlin (9)
|
MAORCA |
1:59.30 |
1:45.20 |
-14.10 |
| 14 |
Spaulding, Kelsey L (9)
|
MALAC |
|
1:46.29 |
- |
| 15 |
Karpinski, Genevieve F (9)
|
MASERP |
|
1:47.45 |
- |
|
Eby, Hayden G (9)
|
MALAC |
|
DQ |
- |
|
Kohm, Gabriella E (9)
|
MAGAAC |
|
DQ |
- |
|
Diffily-Kenney, Nora (9)
|
MASERP |
|
NS |
- |