| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lamirande, Erin E (12)
|
MAGAAC |
39.92 |
38.22 |
-1.70 |
| 1 |
Okongwu, Amara R (12)
|
MASERP |
41.61 |
40.09 |
-1.52 |
| 2 |
Durboraw, Anna M (11)
|
MAJRAY |
38.44 |
39.41 |
0.97 |
| 2 |
Stavrianos, Madeleine (12)
|
MALMAC |
43.58 |
42.82 |
-0.76 |
| 3 |
Angelucci, Jenna L (12)
|
MAJRAY |
43.00 |
43.82 |
0.82 |
| 4 |
Evans, Alexandra M (11)
|
MAJRAY |
43.49 |
44.25 |
0.76 |
| 5 |
Henry, Kameryn L (11)
|
MASERP |
46.92 |
44.46 |
-2.46 |
| 6 |
Kirkpatrick, Katriona (11)
|
MALMAC |
45.12 |
44.52 |
-0.60 |
| 7 |
Brown, Yasmin N (12)
|
MASERP |
54.59 |
56.62 |
2.03 |
| 8 |
Thut, Emilia (12)
|
MASERP |
55.99 |
57.60 |
1.61 |
| 9 |
Salisbury, Jemma L (11)
|
MASERP |
|
58.17 |
- |
| 10 |
Markovich, Sophie M (11)
|
MASERP |
|
1:06.82 |
- |
| 11 |
Schwab, Solomaya F (12)
|
MASERP |
|
1:14.21 |
- |
|
Mehta, Simran I (11)
|
MANPAC |
|
39.58 |
- |
|
Holtsberg, Cathryn F (11)
|
MASSC |
39.39 |
NS |
- |
|
Forti, Olivia H (11)
|
MAGAAC |
45.90 |
NS |
- |
|
McCouch, Sandra L (11)
|
MALMOR |
38.75 |
NS |
- |
|
McKiernan, Shannon L (11)
|
MAJRAY |
47.84 |
NS |
- |
|
Van Stone, Catherine L (11)
|
MAGAAC |
43.53 |
NS |
- |
|
Mascaro, Sofia J (12)
|
MAGAAC |
42.87 |
NS |
- |
|
Kelly, Caroline R (12)
|
MAGAAC |
43.36 |
NS |
- |