| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lunn, Emma K (12)
|
MASSC |
55.51 |
55.34 |
-0.17 |
| 2 |
Eruslanova, Ekaterina (12)
|
MASSC |
57.45 |
57.98 |
0.53 |
| 3 |
Krieg, Sylvia C (12)
|
MASSC |
1:04.18 |
1:04.57 |
0.39 |
| 4 |
Caron, Lauren E (12)
|
MASSC |
1:06.68 |
1:06.58 |
-0.10 |
| 5 |
Mitchell, Victoria S (11)
|
MASSC |
1:07.96 |
1:07.61 |
-0.35 |
| 6 |
Diguey, Velina (11)
|
MASSC |
1:07.58 |
1:08.95 |
1.37 |
| 7 |
Cappola, Alexandra G (11)
|
MASSC |
1:11.30 |
1:09.10 |
-2.20 |
| 7 |
Johnson, Anna K (12)
|
MASSC |
1:09.24 |
1:09.10 |
-0.14 |
| 9 |
Kelly, Kathryn J (11)
|
MASSC |
|
1:14.16 |
- |
| 10 |
Bookwalter, Olivia M (11)
|
MASSC |
1:17.37 |
1:14.61 |
-2.76 |