| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wu, Heidi (8)
|
MRAGUA |
52.65 |
53.31 |
0.66 |
| 2 |
Kung, Alexis (8)
|
MRSPAR |
53.46 |
54.04 |
0.58 |
| 3 |
Asch, Gillian K (8)
|
MRAGUA |
58.26 |
57.51 |
-0.75 |
| 4 |
Zagar, Nia V (8)
|
MRAGUA |
55.85 |
59.38 |
3.53 |
| 5 |
Gash, Alexandra M (8)
|
MRPATS |
1:02.80 |
1:01.16 |
-1.64 |
| 6 |
Bunimovich, Victoria L (8)
|
MRAGUA |
59.16 |
1:01.32 |
2.16 |
| 7 |
Schaepers-Cheu, Sabine N (8)
|
MRAGUA |
1:03.07 |
1:03.85 |
0.78 |
| 8 |
Santora, Loretta G (8)
|
MRDA |
1:10.99 |
1:06.04 |
-4.95 |
| 9 |
Tello, Samantha (7)
|
MRSPAR |
1:05.23 |
1:11.69 |
6.46 |
| 10 |
Vlahcevic, Natacha A (8)
|
MRAGUA |
1:13.26 |
1:12.36 |
-0.90 |
| 11 |
Hofbauer, Amari L (7)
|
MRPATS |
1:38.72 |
1:12.79 |
-25.93 |
| 12 |
Jutt, Anna E (8)
|
MRPATS |
|
1:35.76 |
- |
| 13 |
Culbertson, Sophia (6)
|
MRCFJV |
1:28.40 |
1:36.06 |
7.66 |