| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bunn, Elizabeth M (16)
|
MASSC |
1:01.51 |
1:03.20 |
1.69 |
| 2 |
Cappola, Katherine E (15)
|
MASSC |
1:05.03 |
1:03.57 |
-1.46 |
| 3 |
Sears, Katherine L (18)
|
MACAA |
1:04.66 |
1:04.80 |
0.14 |
| 4 |
Park, Jenna E (15)
|
MAEAC |
1:03.59 |
1:05.55 |
1.96 |
| 5 |
Flick, Riley M (17)
|
MAEAAC |
|
1:06.30 |
- |
| 6 |
Ceribelli, Mia F (15)
|
MACAA |
|
1:07.80 |
- |
| 7 |
Diamandi, Julia A (15)
|
MASSC |
1:07.20 |
1:08.53 |
1.33 |
| 8 |
Lennon, Adelaide L (17)
|
MASSC |
1:09.89 |
1:09.14 |
-0.75 |
| 9 |
Fan, Isadora Z (17)
|
MAMSA |
1:07.87 |
1:09.32 |
1.45 |
| 10 |
Iacovino, Allegra A (17)
|
MAMSA |
1:10.65 |
1:10.43 |
-0.22 |
| 11 |
Scudder, Kiera V (15)
|
MAMSA |
1:10.99 |
1:10.71 |
-0.28 |
| 12 |
Chang, Erin R (16)
|
MASSC |
1:10.55 |
1:10.81 |
0.26 |
| 13 |
McHale, Amy M (17)
|
MAMSA |
1:09.41 |
1:10.90 |
1.49 |
| 14 |
Monper, Rachel (15)
|
MAWCAY |
1:11.67 |
1:11.54 |
-0.13 |
| 15 |
Diamandi, Michelle I (15)
|
MASSC |
1:09.37 |
1:11.92 |
2.55 |
| 16 |
Corson, Maggie (15)
|
MASSC |
1:16.94 |
1:12.41 |
-4.53 |
| 17 |
Park, Amory S (15)
|
MAMSA |
|
1:12.76 |
- |
| 18 |
Kohn, Geri N (15)
|
MAMSA |
1:18.63 |
1:15.90 |
-2.73 |
| 19 |
Reid, Alexandria c (17)
|
MAACST |
1:12.43 |
1:17.19 |
4.76 |
| 20 |
Kvech, Kyra E (16)
|
MAACST |
1:21.28 |
1:24.19 |
2.91 |