| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gilligan, Rena A (13)
|
AMMOON |
3:17.98 |
3:11.93 |
-6.05 |
| 2 |
Pazuchanics, Kathryn E (13)
|
AMPTSC |
3:16.11 |
3:16.92 |
0.81 |
| 3 |
Li, Vivien Y (14)
|
AMANSC |
3:20.74 |
3:18.07 |
-2.67 |
| 4 |
Dickson, Eleah A (14)
|
AMPRA |
2:51.50 |
3:18.44 |
26.94 |
| 5 |
Akar, Eliana (14)
|
AMPEAQ |
2:56.10 |
3:22.76 |
26.66 |
| 6 |
Hull, Marideth G (13)
|
AMMOON |
3:24.94 |
3:24.39 |
-0.55 |
| 7 |
Houser, McKenna L (13)
|
AMMOON |
3:15.48 |
3:27.33 |
11.85 |
| 8 |
Sullivan, Evangeline (13)
|
AMPEAQ |
3:34.04 |
3:28.19 |
-5.85 |
| 9 |
Whiteford, Emily J (13)
|
AMPEAQ |
3:12.45 |
3:31.52 |
19.07 |
| 10 |
Pastor, Arienne P (14)
|
AMANSC |
3:35.59 |
3:33.79 |
-1.80 |