| # | Swimmer | Team | Seed | Time | Diff |
| 2 |
Kifer, Hannah (10)
|
MASCAY |
37.23 |
37.47 |
0.24 |
| 3 |
Watschke, Madison (10)
|
MASCAY |
|
41.53 |
- |
| 4 |
Boomer-Brazier, Maggie (10)
|
MASCAY |
41.83 |
43.72 |
1.89 |
| 5 |
Wang, Lisa (10)
|
MASCAY |
|
44.21 |
- |
| 6 |
Chen, Abby (10)
|
MASCAY |
49.46 |
46.25 |
-3.21 |
| 7 |
Wafula, Edna (10)
|
MASCAY |
49.23 |
46.68 |
-2.55 |
| 9 |
Coble, Aubrey (9)
|
MASCAY |
48.09 |
49.85 |
1.76 |
| 10 |
Williams, Sarah (9)
|
MASCAY |
59.29 |
51.11 |
-8.18 |
| 11 |
Congiu-Hughes, Chiara (9)
|
MASCAY |
48.87 |
52.24 |
3.37 |
| 12 |
Hou, Yinuo (9)
|
MASCAY |
|
56.25 |
- |
| 13 |
Yang, Amber (9)
|
MASCAY |
54.11 |
58.22 |
4.11 |
| 14 |
Toyokawa, Maya (9)
|
MASCAY |
57.97 |
1:01.58 |
3.61 |
| 15 |
Zheng, Audrey (9)
|
MASCAY |
59.24 |
1:03.60 |
4.36 |