| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bull, Wesley (11)
|
MREHY |
1:01.75 |
1:01.60 |
-0.15 |
| 1 |
Nguyen, Chloe T (11)
|
MRSSC |
1:04.67 |
1:03.38 |
-1.29 |
| 1 |
Strasser, London G (11)
|
MRTS |
1:06.69 |
1:08.35 |
1.66 |
| 2 |
Giehl, Avalina A (11)
|
MRTS |
1:04.17 |
1:03.61 |
-0.56 |
| 2 |
Rochford, Juliana G (11)
|
MRIA |
1:07.03 |
1:08.82 |
1.79 |
| 3 |
Kohner, Charlotte A (11)
|
MRLIAC |
1:03.64 |
1:03.75 |
0.11 |
| 3 |
Solimeno, Emma (11)
|
MRTS |
1:08.14 |
1:09.01 |
0.87 |
| 4 |
Cronin, Emma (11)
|
MRHAA |
1:05.85 |
1:04.05 |
-1.80 |
| 4 |
McMahon, Reilly E (11)
|
MRWISC |
1:08.27 |
1:09.53 |
1.26 |
| 5 |
Mossey, Rayna M (11)
|
MRTVSC |
1:04.38 |
1:04.14 |
-0.24 |
| 5 |
Park, Esther Y (11)
|
MRTS |
1:08.21 |
1:11.06 |
2.85 |
| 6 |
Hsieh, Amelia (11)
|
MRLIAC |
1:06.11 |
1:04.28 |
-1.83 |
| 7 |
Wigington, Scarlett G (11)
|
MRTVSC |
1:05.23 |
1:04.38 |
-0.85 |
| 8 |
Simons, Ashley R (11)
|
MRLIAC |
1:07.06 |
1:04.99 |
-2.07 |
| 9 |
Lai, Avery M (11)
|
MRLIAC |
1:07.23 |
1:05.34 |
-1.89 |
| 10 |
Cunniffe, Josephine E (11)
|
MRIA |
1:07.33 |
1:06.86 |
-0.47 |