| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
DeBruyn, Hadley B (16)
|
MASSC |
18:50.41 |
17:59.53 |
-50.88 |
| 2 |
Bailey, Elishka S (15)
|
MABSC |
20:05.21 |
19:09.12 |
-56.09 |
| 3 |
Scudder, Kiera V (17)
|
MAMSA |
19:42.29 |
19:19.27 |
-23.02 |
| 4 |
Robbins, Lindsay E (16)
|
MAECCC |
19:23.26 |
19:26.60 |
3.34 |
| 5 |
Meiler, Victoria G (16)
|
MABSC |
|
19:30.42 |
- |
| 6 |
Levensten, Kate E (14)
|
MASSC |
20:14.99 |
19:30.64 |
-44.35 |
| 7 |
Hazell, Elsley A (17)
|
MABSC |
19:44.71 |
19:33.55 |
-11.16 |
| 8 |
Kolessar, Kaitlyn R (11)
|
MASSC |
|
19:43.97 |
- |
| 9 |
Cappola, Christina M (15)
|
MASSC |
20:25.20 |
19:48.99 |
-36.21 |
| 10 |
Becker, Mandy C (15)
|
MABSC |
20:54.20 |
19:49.45 |
-64.75 |
| 11 |
Verrelli, Lauren A (14)
|
MAUNEA |
20:13.54 |
19:49.61 |
-23.93 |
| 12 |
Levensten, Sydney J (14)
|
MASSC |
21:18.49 |
20:18.14 |
-60.35 |
| 13 |
Gale, Morgan A (16)
|
MABSC |
24:12.98 |
20:23.90 |
-229.08 |
| 14 |
Krieg, Sylvia C (14)
|
MASSC |
21:13.06 |
20:34.17 |
-38.89 |
| 15 |
Agostini, Natalie T (16)
|
MABSC |
21:23.07 |
20:41.27 |
-41.80 |
| 16 |
Vandeveer, Camille C (16)
|
MABSC |
|
20:41.80 |
- |
| 17 |
Kennedy, Kayleigh J (13)
|
MASSC |
|
20:50.49 |
- |
| 18 |
Mitchell, Victoria S (13)
|
MASSC |
21:15.89 |
21:03.26 |
-12.63 |
| 19 |
Torrillo, Nicole L (17)
|
MABSC |
|
21:45.20 |
- |
| 20 |
Galvin, Tamar (15)
|
MABSC |
22:26.39 |
21:51.27 |
-35.12 |
| 21 |
Lorei, Violet C (14)
|
MABSC |
|
22:07.76 |
- |
| 22 |
Palazzo, Gaia M (15)
|
MABSC |
|
22:38.29 |
- |
| 23 |
Kelly, Ava L (14)
|
MABSC |
|
23:07.41 |
- |
| 24 |
Feild, Carter (14)
|
MABSC |
|
23:33.18 |
- |
| 25 |
Aloi, Beatrice (14)
|
MABSC |
|
25:40.40 |
- |