| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fan, Catherine (17)
|
MRLGAC |
1:06.40 |
1:06.39 |
-0.01 |
| 2 |
Pryne, Jessica L (17)
|
MRUN |
1:06.39 |
1:10.51 |
4.12 |
| 3 |
Pryne, Jenna M (15)
|
MRUN |
1:09.87 |
1:12.34 |
2.47 |
| 4 |
Martinez-Reyes, Tristinye J (12)
|
MRLGAC |
1:13.41 |
1:14.60 |
1.19 |
| 5 |
Lachman, Katherine (15)
|
MRAGUA |
1:17.97 |
1:15.22 |
-2.75 |
| 6 |
Jiang, Claire (17)
|
MRAGUA |
1:16.75 |
1:15.70 |
-1.05 |
| 7 |
Liu, Aurelia A (12)
|
MRLGAC |
1:20.71 |
1:18.74 |
-1.97 |
| 8 |
Akil, Fatine (14)
|
MRUN |
1:16.07 |
1:19.01 |
2.94 |
| 9 |
Gil, Fiona G (13)
|
MRLGAC |
1:19.09 |
1:19.70 |
0.61 |
| 10 |
Ahn, Hailey S (12)
|
MRLGAC |
1:23.51 |
1:20.41 |
-3.10 |
| 11 |
Panamserkhang, Tenzin P (11)
|
MRLGAC |
1:21.09 |
1:20.44 |
-0.65 |
| 12 |
Moran, Laura A (12)
|
MRQNS |
1:20.46 |
1:20.66 |
0.20 |
| 13 |
Park, Song-Yi (14)
|
MRQNS |
1:21.81 |
1:21.81 |
0.00 |
| 14 |
Mulakandov, Raquel (15)
|
MRQNS |
1:22.80 |
1:22.36 |
-0.44 |
| 15 |
Reynoso, Jennifer A (16)
|
MRAGUA |
1:20.85 |
1:22.44 |
1.59 |
| 16 |
George, Danielle A (16)
|
MRAGUA |
1:24.76 |
1:23.92 |
-0.84 |
| 17 |
O'Sullivan, Saoirse (13)
|
MRLGAC |
1:21.45 |
1:24.40 |
2.95 |
| 18 |
Jeong, Bina (13)
|
MRQNS |
1:24.17 |
1:24.41 |
0.24 |
| 19 |
Gomez, Sofia A (17)
|
MRAGUA |
1:31.03 |
1:24.86 |
-6.17 |
| 20 |
Lateng, Losel L (13)
|
MRLGAC |
1:25.75 |
1:25.08 |
-0.67 |
| 21 |
Johnson, Cayla A (12)
|
MRAPEX |
1:26.04 |
1:26.81 |
0.77 |
| 22 |
Huang, Kejin (13)
|
MRQNS |
1:28.29 |
1:28.11 |
-0.18 |
| 23 |
Avdic, Adalisa (14)
|
MRAPEX |
1:28.82 |
1:29.87 |
1.05 |
| 24 |
Chaploutsky, Polina (9)
|
NJAQRC |
1:31.34 |
1:33.57 |
2.23 |
| 25 |
Avdic, Merizana (13)
|
MRAPEX |
|
1:39.41 |
- |
| 26 |
O'Sullivan, Brinan K (9)
|
MRLGAC |
1:41.00 |
1:45.34 |
4.34 |
| 27 |
Jack, Kylie (15)
|
MRHES |
|
1:55.66 |
- |
| 28 |
Feratovic, Azra (13)
|
MRHES |
|
2:08.35 |
- |
|
Morries, Kennedy (13)
|
MRHES |
|
DQ |
- |
|
Yin-Westbay, Eva (10)
|
MRQNS |
|
NS |
- |