| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Scholer, Haley N (12)
|
MACBST |
1:06.40 |
1:03.82 |
-2.58 |
| 1 |
Yurconic, Sabrina J (12)
|
MAEMAC |
1:16.36 |
1:11.35 |
-5.01 |
| 1 |
Giuffrida, Isabella G (12)
|
MAUN-0 |
|
1:17.64 |
- |
| 2 |
Vergara, Viviana E (11)
|
MACBST |
1:08.73 |
1:05.38 |
-3.35 |
| 2 |
Vlaeminck, Chloe E (12)
|
MAEMAC |
1:14.17 |
1:13.53 |
-0.64 |
| 2 |
Schultz, Lianna S (11)
|
MAUN-0 |
|
1:22.30 |
- |
| 3 |
Mikalic, Maggie (12)
|
MAUDAC |
1:07.11 |
1:06.01 |
-1.10 |
| 3 |
Sharp, Lauren E (11)
|
MAEMAC |
1:14.04 |
1:13.82 |
-0.22 |
| 3 |
Giacobbe, Olivia (11)
|
MAUN-0 |
|
1:24.26 |
- |
| 4 |
Eruslanova, Ekaterina (11)
|
MASSC |
1:11.42 |
1:12.80 |
1.38 |
| 4 |
Shucavage, Grace E (11)
|
MAEMAC |
1:13.75 |
1:14.57 |
0.82 |
| 4 |
Puentes, Mya R (11)
|
MAEMAC |
1:22.11 |
1:24.65 |
2.54 |
| 5 |
King, Avery O (11)
|
MAEMAC |
1:14.20 |
1:15.07 |
0.87 |
| 5 |
Chi, Maggie (11)
|
MALVA |
1:28.09 |
1:29.60 |
1.51 |
| 6 |
Mack, Natalie M (11)
|
MAEMAC |
|
1:30.36 |
- |
| 7 |
Iacobelli, Sophia C (11)
|
MAEMAC |
1:25.74 |
1:30.66 |
4.92 |
| 8 |
Metka, Cameron E (12)
|
MAEMAC |
|
1:47.50 |
- |