| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Krogsgaard, Linnea A (12)
|
MREAST |
3:10.00 |
2:55.03 |
-14.97 |
| 2 |
Dennis, Ellen E (11)
|
CTGRYM |
|
2:55.37 |
- |
| 3 |
Kim, Cameron E (11)
|
MREAST |
3:04.13 |
2:56.86 |
-7.27 |
| 4 |
Cray, Olivia A (12)
|
CTGRYM |
|
2:58.99 |
- |
| 5 |
Toczydlowska, Maya (12)
|
CTGRYM |
3:14.27 |
3:00.08 |
-14.19 |
| 6 |
Henkes, Julia E (11)
|
CTGRYM |
|
3:00.90 |
- |
| 7 |
Krogsgaard, Astrid G (12)
|
MREAST |
3:15.00 |
3:08.10 |
-6.90 |
| 8 |
Gorog, Sofia (11)
|
CTGRYM |
|
3:15.80 |
- |
| 9 |
McClinchy, Stella B (11)
|
MREAST |
3:34.19 |
3:16.32 |
-17.87 |
| 10 |
Djokovic-Farrugia, Lina M (12)
|
MREAST |
3:20.00 |
3:18.51 |
-1.49 |
| 11 |
Wepman, Finley B (11)
|
MREAST |
3:25.76 |
3:19.99 |
-5.77 |
| 12 |
Faulkner, Sofia R (11)
|
MREAST |
|
3:21.85 |
- |
| 13 |
Bloom, Zadie R (12)
|
MREAST |
3:21.17 |
3:22.06 |
0.89 |
| 14 |
Eterovic, Dalia M (12)
|
MREAST |
3:20.00 |
3:22.53 |
2.53 |
|
Di Domenico, Ellie B (11)
|
MREAST |
3:20.00 |
DQ |
- |
|
Jean-Philippe, Sonali (11)
|
MREAST |
3:30.00 |
DQ |
- |