| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Joyce, Margaret K (14)
|
MRSMC |
57.34 |
59.29 |
1.95 |
| 2 |
Smith, Annabel J (13)
|
MRSMC |
1:01.20 |
59.68 |
-1.52 |
| 3 |
Joyce, Mary I (13)
|
MRSMC |
1:00.73 |
1:00.21 |
-0.52 |
| 4 |
Mascarinas, Peyton I (13)
|
CTNCY |
1:04.87 |
1:00.74 |
-4.13 |
| 5 |
Slocum, Ann T (13)
|
MRSMC |
1:01.57 |
1:01.34 |
-0.23 |
| 6 |
Carousso, Natalie M (13)
|
MRSMC |
1:02.45 |
1:01.81 |
-0.64 |
| 7 |
Frey, Mary A (13)
|
CTNCY |
1:03.88 |
1:03.67 |
-0.21 |
| 8 |
Cereghino, Julia M (13)
|
CTNCY |
1:13.91 |
1:10.13 |
-3.78 |
| 9 |
Kholmanskikh, Maria (14)
|
CTNCY |
1:17.80 |
1:15.45 |
-2.35 |
| 10 |
Kenin, Melaina S (13)
|
CTNCY |
1:16.74 |
1:17.63 |
0.89 |
| 11 |
Ridolfi, Emma (13)
|
CTNCY |
1:24.46 |
1:20.83 |
-3.63 |
| 12 |
Penn, Carly E (14)
|
MRSMC |
1:18.11 |
1:21.75 |
3.64 |
|
Frank, Sarah L (13)
|
CTNCY |
1:07.29 |
NS |
- |
|
Laurence, Charlotte L (14)
|
CTNCY |
1:00.59 |
NS |
- |
|
Conway, Nicole D (13)
|
MRSMC |
1:01.77 |
NS |
- |