| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Solimeno, Emma (12)
|
MRTS |
2:57.49 |
2:45.06 |
-12.43 |
| 1 |
Coyle, Tallula J (11)
|
MRLIAC |
2:58.53 |
2:52.01 |
-6.52 |
| 2 |
Kim, Ashley (12)
|
MRTS |
2:53.36 |
2:45.27 |
-8.09 |
| 2 |
Shaw, Mary M (12)
|
MRLIAC |
3:15.72 |
2:53.23 |
-22.49 |
| 3 |
Cunniffe, Josephine E (12)
|
MRIA |
2:55.99 |
2:47.64 |
-8.35 |
| 3 |
Smith, Elsie (12)
|
MRLIE |
2:57.99 |
2:53.43 |
-4.56 |
| 4 |
Liang, Yuhong (11)
|
MRLIE |
2:59.18 |
2:53.68 |
-5.50 |
| 5 |
Souffront, Olivia R (11)
|
MRLIAC |
2:59.77 |
2:54.56 |
-5.21 |
| 6 |
O'Brien, Katherine S (11)
|
MRLIAC |
3:04.84 |
2:59.22 |
-5.62 |
| 7 |
Lajato, Sophia A (12)
|
MRLIAC |
3:04.32 |
2:59.81 |
-4.51 |
| 8 |
Wegener, Alma (12)
|
MRHYB |
3:08.99 |
3:02.51 |
-6.48 |
| 9 |
Keiley, Taylor A (12)
|
MRLIAC |
3:29.08 |
3:05.62 |
-23.46 |
| 10 |
Castaneda, Brielle (11)
|
MRLIE |
3:03.40 |
3:05.67 |
2.27 |
| 11 |
Reed, Lauren (11)
|
MRHYB |
3:20.87 |
3:09.92 |
-10.95 |
| 12 |
Qian, Amy (11)
|
MRLIAC |
3:15.16 |
3:10.86 |
-4.30 |
| 13 |
Barry, Brynn A (11)
|
MRSSC |
3:15.52 |
3:15.38 |
-0.14 |
| 14 |
Anderson, Amelia (12)
|
MRTS |
3:08.44 |
3:17.59 |
9.15 |
| 15 |
Keane, Olivia A (12)
|
MRLIAC |
3:22.46 |
3:17.78 |
-4.68 |
|
Gulickson, Meghan R (11)
|
MRHYB |
3:06.50 |
DQ |
- |