| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ramachandran, Sajan G (18)
|
MDFSC |
51.64 |
52.84 |
1.20 |
| 3 |
Li, Yaron (15)
|
PVRY |
54.54 |
55.41 |
0.87 |
| 4 |
Fondersmith, Julia Y (18)
|
MDFSC |
56.21 |
59.97 |
3.76 |
| 5 |
Haboussi, Adam (15)
|
MDFSC |
1:02.05 |
1:01.09 |
-0.96 |
| 6 |
Kahwajy, Andrew F (17)
|
MDFSC |
|
1:02.36 |
- |
| 7 |
Madjid, Daniel R (16)
|
MDFSC |
|
1:05.18 |
- |
| 8 |
Babik, Finley E (14)
|
MDFSC |
1:04.19 |
1:07.71 |
3.52 |
| 9 |
Tomlinson, Sophia G (12)
|
MDFSC |
1:10.86 |
1:08.97 |
-1.89 |
| 10 |
Bassett, Cormac K (16)
|
MDFSC |
1:07.84 |
1:09.74 |
1.90 |
| 11 |
Carmody, Ellie M (12)
|
MDFSC |
1:10.30 |
1:10.57 |
0.27 |
| 12 |
Beggan, Braxten K (11)
|
PVRY |
|
1:15.81 |
- |
| 13 |
Gundrum, Hazel M (10)
|
MDFSC |
1:26.86 |
1:19.34 |
-7.52 |
| 14 |
Quaresima, Gina M (15)
|
PVRY |
1:27.61 |
1:19.62 |
-7.99 |
| 15 |
Indrisano, Serena J (13)
|
PVRY |
1:20.78 |
1:20.25 |
-0.53 |
| 16 |
McFarland, Lillian M (13)
|
PVRY |
1:29.10 |
1:22.14 |
-6.96 |
| 17 |
Swartzbaugh, Ella R (13)
|
PVRY |
1:23.92 |
1:27.12 |
3.20 |
| 18 |
Patton, Michael S (13)
|
MDFSC |
|
1:27.76 |
- |