| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Blaho, Fiona A (11)
|
MREAST |
30.15 |
29.91 |
-0.24 |
| 2 |
Mulder, Elizabeth A (12)
|
MRPAC |
29.84 |
29.92 |
0.08 |
| 3 |
Spencer-Edwards, Lauren A (12)
|
MRQNS |
30.48 |
29.98 |
-0.50 |
| 4 |
Afanasewicz, Kate N (11)
|
MRPAC |
31.28 |
30.44 |
-0.84 |
| 5 |
Cinek, Alexandra (12)
|
MRPAC |
31.54 |
30.93 |
-0.61 |
| 6 |
Dougherty, Emily W (12)
|
MRBAD |
30.76 |
30.96 |
0.20 |
| 7 |
Chaploutskiy, Polina (12)
|
MRPAC |
30.76 |
32.09 |
1.33 |
| 8 |
McGlynn, Clare E (12)
|
MRBAD |
32.63 |
32.48 |
-0.15 |
| 9 |
Pinto, Gabriella (11)
|
MRBAD |
31.90 |
32.53 |
0.63 |
| 10 |
Bloch, Lylah H (11)
|
MREAST |
32.89 |
32.95 |
0.06 |
| 11 |
Gourevitch, Olivia K (12)
|
MRBAD |
36.01 |
35.41 |
-0.60 |
| 12 |
Tang, Addison (12)
|
MRQNS |
37.84 |
35.49 |
-2.35 |
| 13 |
Corvalan, Zoe A (11)
|
MREAST |
39.68 |
38.39 |
-1.29 |
| 14 |
Campanelli, Violet M (11)
|
MREAST |
36.78 |
40.67 |
3.89 |
| 15 |
Chen, Madeleine R (12)
|
MREAST |
39.23 |
41.11 |
1.88 |
| 16 |
Park, Erin M (11)
|
MREAST |
1:00.52 |
41.58 |
-18.94 |
| 17 |
McMahon, Katherine K (11)
|
MREAST |
44.28 |
41.91 |
-2.37 |
| 18 |
Krogsgaard, Linnea A (11)
|
MREAST |
44.85 |
42.15 |
-2.70 |
| 19 |
Tyrk, Julia (12)
|
MRQNS |
42.91 |
42.86 |
-0.05 |
| 20 |
Bloom, Zadie R (12)
|
MREAST |
45.26 |
46.06 |
0.80 |
| 21 |
Hastings, Dana N (12)
|
MREAST |
|
47.56 |
- |
| 22 |
Samhaber, Emma (11)
|
MRBAD |
55.00 |
47.90 |
-7.10 |
| 23 |
Tempesta, Lucy E (12)
|
MRQNS |
48.09 |
53.56 |
5.47 |
| 24 |
Morcelo, Sarah R (11)
|
MREAST |
|
58.48 |
- |
|
Giorgio, Ela D (12)
|
MREAST |
1:06.56 |
DQ |
- |
|
Russo, Mia R (12)
|
MRPAC |
55.09 |
DQ |
- |
|
Vahabzadeh, Evelyn R (11)
|
MREAST |
|
NS |
- |
|
Kohli, Eshani (12)
|
MREAST |
34.65 |
NS |
- |
|
Bochynska, Matylda (12)
|
MREAST |
43.46 |
NS |
- |