| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Leal, Nancy (16)
|
MRRED |
2:59.54 |
2:58.30 |
-1.24 |
| 2 |
Lutchmansingh, Emily E (15)
|
MRRED |
3:03.17 |
2:59.81 |
-3.36 |
| 3 |
Valadez, Ofelia M (16)
|
MRAPEX |
2:57.66 |
3:00.58 |
2.92 |
| 4 |
Reed, Nia N (16)
|
MRKBM |
3:00.96 |
3:01.74 |
0.78 |
| 5 |
Barriteau, Lauren E (15)
|
MRCIY |
2:55.26 |
3:02.79 |
7.53 |
| 6 |
Lu, Erxi (16)
|
MRAPEX |
3:00.18 |
3:05.12 |
4.94 |
| 7 |
Eagan, Maria F (16)
|
MRYFD |
3:01.64 |
3:05.20 |
3.56 |
| 8 |
Lee, Anna E (15)
|
MRYFD |
3:00.57 |
3:06.47 |
5.90 |
| 9 |
Rodriguez, Andrea I (16)
|
MRRED |
3:11.99 |
3:11.21 |
-0.78 |
| 10 |
Royal-Smith, Jaisha (16)
|
MRKBM |
3:34.84 |
3:25.07 |
-9.77 |
| 11 |
Moore, Alana H (15)
|
MRAPEX |
3:22.91 |
3:25.67 |
2.76 |
| 12 |
Gustavsson, Isabel A (16)
|
MRYFD |
3:31.68 |
3:31.20 |
-0.48 |