| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Chong, Vanessa (12)
|
MRMETR |
58.51 |
59.16 |
0.65 |
| 2 |
Youssef, Lara S (12)
|
MRMETR |
1:01.18 |
1:00.71 |
-0.47 |
| 3 |
Smith, Summer (11)
|
CTCT |
1:02.25 |
1:00.97 |
-1.28 |
| 4 |
Carmazzi, Brittney A (12)
|
AMAM |
1:00.66 |
1:01.02 |
0.36 |
| 5 |
Johnson, Jillian V (12)
|
PVPV |
1:00.00 |
1:01.08 |
1.08 |
| 6 |
Fan, Julie (12)
|
PVPV |
1:00.09 |
1:01.33 |
1.24 |
| 7 |
Ecker, Emily D (12)
|
MEME |
1:04.10 |
1:01.49 |
-2.61 |
| 8 |
Bell, Kate (12)
|
CTCT |
1:00.43 |
1:01.66 |
1.23 |
| 9 |
Chompre, Ashley N (12)
|
MAMA |
1:01.30 |
1:02.04 |
0.74 |
| 9 |
Rodriguez, Emily M (12)
|
MRMETR |
1:00.93 |
1:02.04 |
1.11 |
| 11 |
Mendonca, Kayla (12)
|
CTCT |
1:02.92 |
1:02.16 |
-0.76 |
| 12 |
Gross, Ella M (11)
|
MAMA |
1:01.98 |
1:02.32 |
0.34 |
| 13 |
Deuel, Megan G (12)
|
NINI |
1:01.25 |
1:02.65 |
1.40 |
| 14 |
Thomas, Tia (11)
|
PVPV |
1:00.36 |
1:03.21 |
2.85 |
| 15 |
Morrissey, Emily P (12)
|
AMAM |
1:02.33 |
1:03.49 |
1.16 |
| 16 |
Sullivan, Mckaylie P (11)
|
MAMA |
1:02.20 |
1:03.78 |
1.58 |
| 17 |
Torres, Alexa (12)
|
NJNJS |
1:03.99 |
1:03.85 |
-0.14 |
| 18 |
Viola, Serafina C (12)
|
NINI |
1:01.51 |
1:03.94 |
2.43 |
| 19 |
Hu, Patricia X (12)
|
NINI |
1:01.19 |
1:04.01 |
2.82 |
| 20 |
Schonbachler, Alyssa E (12)
|
AMAM |
1:01.95 |
1:04.20 |
2.25 |
| 21 |
Giordano, Ariana R (12)
|
NJNJS |
1:05.88 |
1:05.10 |
-0.78 |
| 22 |
Bernstein, Sarah A (12)
|
NJNJS |
|
1:05.95 |
- |
| 23 |
Leung, Adelaide Y (12)
|
ADAD |
1:07.12 |
1:06.34 |
-0.78 |
| 24 |
Hoffman, Emma K (12)
|
ADAD |
1:05.58 |
1:07.95 |
2.37 |
| 25 |
Digiovanni, Amaya M (12)
|
ADAD |
1:06.90 |
1:08.79 |
1.89 |
| 26 |
Siegel, Zoe R (11)
|
MEME |
1:09.81 |
1:11.26 |
1.45 |
| 27 |
Domingo, Elizabeth N (11)
|
MEME |
1:15.81 |
1:17.19 |
1.38 |