| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hartman, Sabina A (16)
|
MACBST |
1:05.05 |
1:08.00 |
2.95 |
| 1 |
Haggerty, Callie K (15)
|
MACRSC |
|
1:13.92 |
- |
| 1 |
Slupianek, Helena (16)
|
MASSC |
1:20.87 |
1:20.86 |
-0.01 |
| 2 |
Hofmann, Lina A (15)
|
MACBR |
1:05.66 |
1:08.05 |
2.39 |
| 2 |
Stuart, Natalie M (15)
|
MASSC |
1:11.63 |
1:14.23 |
2.60 |
| 2 |
Brown, Grace E (16)
|
MALMOR |
1:16.96 |
1:21.66 |
4.70 |
| 3 |
Cantoral, Gina L (17)
|
MALMOR |
1:09.17 |
1:10.39 |
1.22 |
| 3 |
Hazell, Elsley A (17)
|
MABSC |
1:07.66 |
1:14.84 |
7.18 |
| 3 |
Cavalluzzo, Christina M (17)
|
MACBR |
1:21.68 |
1:22.56 |
0.88 |
| 4 |
Agostini, Natalie T (16)
|
MABSC |
1:07.88 |
1:10.45 |
2.57 |
| 4 |
Petrakis, Nyah M (15)
|
MACBR |
1:11.17 |
1:15.00 |
3.83 |
| 4 |
Jones, Laura G (17)
|
MASSC |
1:22.55 |
1:22.88 |
0.33 |
| 5 |
Marlin, Krista N (15)
|
MASSC |
1:05.60 |
1:10.88 |
5.28 |
| 5 |
Goodling, Erin A (15)
|
MACBST |
1:14.70 |
1:15.14 |
0.44 |
| 5 |
Stevens, Molly N (16)
|
MASSC |
|
1:23.12 |
- |
| 6 |
Becker, Mandy C (16)
|
MABSC |
1:09.70 |
1:11.24 |
1.54 |
| 6 |
Hayes, Brigid M (16)
|
MALMOR |
1:14.19 |
1:16.53 |
2.34 |
| 6 |
Torrillo, Nicole L (17)
|
MABSC |
1:18.52 |
1:27.25 |
8.73 |
| 7 |
Riegel, Julia K (16)
|
MACBST |
1:10.46 |
1:11.78 |
1.32 |
| 7 |
Girasole-Culhane, Alexa I (15)
|
MAFSA |
1:16.09 |
1:17.12 |
1.03 |
| 7 |
Silverman, Lucinda M (15)
|
MAFSA |
1:32.85 |
1:31.35 |
-1.50 |
| 8 |
Moyer, Sophie E (16)
|
MACBST |
1:08.77 |
1:12.57 |
3.80 |
| 8 |
Lorei, Violet C (15)
|
MABSC |
|
1:18.17 |
- |
| 8 |
Belardo, Lauren L (17)
|
MATHY |
1:29.44 |
1:37.88 |
8.44 |
| 9 |
Paglia, Sophia B (15)
|
MASSC |
1:16.95 |
1:18.82 |
1.87 |
| 10 |
Sterner, Courtney B (17)
|
MACBR |
1:14.48 |
1:18.88 |
4.40 |