| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ott, Ursula J (9)
|
MRBAD |
41.44 |
41.79 |
0.35 |
| 2 |
Barr, Fiona P (9)
|
MRBAD |
43.49 |
44.02 |
0.53 |
| 3 |
Harish, Nila (9)
|
MRMPNY |
45.68 |
44.10 |
-1.58 |
| 4 |
Moran, Laura A (9)
|
MRNCAC |
45.00 |
45.35 |
0.35 |
| 5 |
Tula, Kelly A (10)
|
MRAPEX |
43.29 |
46.32 |
3.03 |
| 6 |
Kuznetsov, Elizabeth (10)
|
MRMPNY |
41.00 |
46.64 |
5.64 |
| 7 |
Luo, Sophia (10)
|
MRWAC |
51.20 |
46.70 |
-4.50 |
| 8 |
Reinhart, Natalie J (10)
|
MRRIST |
40.00 |
46.82 |
6.82 |
| 9 |
Hardart, Annabel M (10)
|
MRBAD |
43.88 |
46.94 |
3.06 |
| 10 |
Anderson, Kate E (10)
|
MRBAD |
44.91 |
46.95 |
2.04 |
| 11 |
Muir, Heather (10)
|
MRWAC |
49.74 |
47.16 |
-2.58 |
| 12 |
Wisniewski, Hanna J (10)
|
MRMPNY |
49.36 |
47.32 |
-2.04 |
| 13 |
Gregory, Julia A (9)
|
MRJCCT |
|
47.37 |
- |
| 14 |
Ewald, Sydney (9)
|
MRNCAC |
46.00 |
48.00 |
2.00 |
| 15 |
Zgrivets, Michelle (9)
|
MRMPNY |
48.00 |
48.25 |
0.25 |
| 16 |
Sheridan, Rory (10)
|
MRBAD |
45.20 |
48.34 |
3.14 |
| 17 |
Hanrahan, Erin M (10)
|
MRBAD |
49.98 |
49.36 |
-0.62 |
| 18 |
Breault, Abigail K (10)
|
MRBAD |
52.76 |
50.79 |
-1.97 |
| 19 |
Sargeant, Yvanah-Bryelle l (10)
|
MRHES |
|
51.18 |
- |
| 20 |
Hernandez, Destiny (9)
|
MRAPEX |
51.59 |
52.43 |
0.84 |
| 21 |
Ebanks, Madison (9)
|
MRWAC |
55.00 |
52.54 |
-2.46 |
| 22 |
McCafferty, Ann (10)
|
MRWAC |
53.90 |
53.43 |
-0.47 |
| 23 |
Liang, Virginia (10)
|
MRGATE |
1:07.66 |
54.32 |
-13.34 |
| 24 |
Zhao, Madison M (9)
|
MRAPEX |
53.94 |
54.41 |
0.47 |
| 25 |
Goodman, Mira (9)
|
MRRIST |
50.00 |
56.12 |
6.12 |
| 26 |
Liriano, Maya (9)
|
MRGATE |
1:08.00 |
59.98 |
-8.02 |
| 27 |
Villalobos, Madison (10)
|
MRAPEX |
1:05.85 |
1:13.26 |
7.41 |
|
Rotenberg, Charlotte P (10)
|
MRBAD |
52.53 |
NS |
- |
|
Ali, Ashlee (10)
|
MRWAC |
1:10.00 |
NS |
- |
|
Curlin, Charlotte (10)
|
MRWAC |
50.00 |
NS |
- |