| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Miller, Erin G (14)
|
FGSAS |
18:15.29 |
17:42.33 |
-32.96 |
| 2 |
Cote, Mariana (14)
|
FGMWA |
18:15.84 |
17:49.08 |
-26.76 |
| 3 |
Gonzalez, Paola I (13)
|
FGMACM |
18:08.74 |
17:55.53 |
-13.21 |
| 4 |
Smith, Jessica L (14)
|
FGWOW |
18:51.76 |
18:14.92 |
-36.84 |
| 5 |
Munna, Paige R (14)
|
FGFAST |
18:57.15 |
18:26.70 |
-30.45 |
| 6 |
Saporta, Camila (14)
|
FGGRSC |
18:29.17 |
18:30.85 |
1.68 |
| 7 |
Bonasera, Kaitlyn R (14)
|
FGCSSC |
18:39.11 |
18:40.25 |
1.14 |
| 8 |
Creed, Nicole D (13)
|
FGCSSC |
9:50.13 |
18:47.22 |
537.09 |
| 9 |
Perez, Sophia E (14)
|
FGGRSC |
19:41.84 |
18:49.94 |
-51.90 |
| 10 |
Barnhardt, Rylie D (14)
|
FGSFTL |
18:44.52 |
18:54.73 |
10.21 |
| 11 |
Munna, Kiersten N (13)
|
FGFAST |
19:09.98 |
18:55.07 |
-14.91 |
| 12 |
Acosta, Isabella (14)
|
FGGRSC |
19:25.53 |
19:00.18 |
-25.35 |
| 13 |
Christensen, Alexis J (13)
|
FGSOFL |
18:34.63 |
19:01.55 |
26.92 |
| 14 |
Smith, Corley F (14)
|
FGFKSC |
19:32.83 |
19:05.21 |
-27.62 |
| 15 |
Gembicki, Natalie M (14)
|
FGGRSC |
19:21.18 |
19:12.80 |
-8.38 |
| 16 |
Musiello, Giovanna P (13)
|
FGGRSC |
19:20.00 |
19:19.53 |
-0.47 |
| 17 |
Sorunmu, Maya A (13)
|
FGSF |
18:42.96 |
19:25.33 |
42.37 |
| 18 |
Proscia, Maris A (14)
|
FGFAST |
18:37.52 |
19:26.38 |
48.86 |
| 19 |
Smith, Megan R (14)
|
FGSUN |
10:18.21 |
19:30.07 |
551.86 |
| 20 |
Baratta, Emily Rose (14)
|
FGWOW |
19:11.16 |
19:42.05 |
30.89 |