| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Florio, Rachel V (15)
|
MDEST |
19:10.67 |
19:20.01 |
9.34 |
| 2 |
Fry, Elizabeth G (16)
|
MDEST |
17:37.20 |
19:24.87 |
107.67 |
| 3 |
Vance, Erin J (17)
|
MDEST |
19:03.84 |
19:52.91 |
49.07 |
| 4 |
Bothwell, Amelia L (16)
|
MDBAAC |
19:03.25 |
19:55.65 |
52.40 |
| 5 |
O'Byrne, Kaitlyn E (17)
|
MDEST |
19:05.84 |
20:01.70 |
55.86 |
| 6 |
Byrne, Eva A (15)
|
MDEST |
19:26.82 |
20:02.46 |
35.64 |
| 7 |
Lowenthal, Lillian I (16)
|
MDEST |
19:17.25 |
20:03.73 |
46.48 |
| 8 |
Gately, Marietta D (16)
|
MDEST |
18:23.73 |
20:07.48 |
103.75 |
| 9 |
Barrett, Christina S (17)
|
MDGBSA |
19:50.67 |
20:33.02 |
42.35 |
| 10 |
Nielson, Alayna R (16)
|
MDEST |
18:56.14 |
22:01.98 |
185.84 |
| 11 |
Entner, Rebecca F (16)
|
MDBAAC |
20:40.68 |
22:58.98 |
138.30 |
| 12 |
Wickham, Amelia C (17)
|
MDBAAC |
21:25.90 |
23:23.47 |
117.57 |