| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Davidson, Ren S (15)
|
MRMAKO |
1:03.86 |
1:00.10 |
-3.76 |
| 1 |
Ryan, Agatha V (17)
|
MRBKR |
1:01.61 |
1:02.41 |
0.80 |
| 2 |
Zecar, Eva D (15)
|
MRYFD |
1:01.27 |
1:00.91 |
-0.36 |
| 2 |
Burwell, Brigid R (15)
|
MRYFD |
1:02.48 |
1:03.69 |
1.21 |
| 3 |
Auquilla, Litsi D (16)
|
MRRED |
1:02.84 |
1:04.66 |
1.82 |
| 4 |
Deng, Eileen (16)
|
MRAPEX |
1:04.70 |
1:06.05 |
1.35 |
| 5 |
Chavez, Kaetlyn K (17)
|
MRAPEX |
1:04.01 |
1:07.16 |
3.15 |
| 6 |
Chertorisky, Maya (15)
|
MRMAKO |
1:06.08 |
1:07.43 |
1.35 |
| 7 |
Sanchez, Amya F (15)
|
MRAPEX |
1:06.19 |
1:07.62 |
1.43 |
| 8 |
Toledo, Ylenia E (16)
|
MRAPEX |
1:06.50 |
1:07.78 |
1.28 |
| 9 |
Sheran, Samantha P (17)
|
MRBKR |
1:10.18 |
1:07.90 |
-2.28 |
| 10 |
Weingard, Alexandra K (15)
|
MRYFD |
1:13.04 |
1:10.01 |
-3.03 |
| 11 |
Ng, Sienna W (15)
|
MRYFD |
1:12.23 |
1:10.45 |
-1.78 |
| 12 |
Mary, Liyana T (16)
|
MRRED |
1:06.84 |
1:11.47 |
4.63 |
| 13 |
Grommes, Grace (18)
|
MRMAKO |
1:11.69 |
1:12.70 |
1.01 |
| 14 |
Lutchmansingh, Emily E (18)
|
MRRED |
1:07.51 |
1:13.16 |
5.65 |
| 15 |
Moore, Alana H (18)
|
MRAPEX |
1:11.49 |
1:13.54 |
2.05 |
| 16 |
Ng, Pia K (15)
|
MRYFD |
1:13.85 |
1:13.69 |
-0.16 |
| 17 |
Lutchmansingh, Serena A (15)
|
MRRED |
1:13.53 |
1:14.05 |
0.52 |
| 18 |
Champagnie, Chanel (15)
|
MRKBM |
1:18.92 |
1:33.29 |
14.37 |
| 19 |
Hernandez, Joanna (17)
|
MRAPEX |
1:36.44 |
1:42.12 |
5.68 |