| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Uriarte Moreira, Frederico (17)
|
PVDCPR |
53.19 |
56.30 |
3.11 |
| 2 |
Curtis, Logan C (17)
|
MDFSC |
54.90 |
57.04 |
2.14 |
| 3 |
Ramachandran, Sajan G (18)
|
MDFSC |
55.15 |
58.45 |
3.30 |
| 4 |
Wallace, Nathaniel J (17)
|
PVDCPR |
58.99 |
1:00.36 |
1.37 |
| 5 |
Geasey, Seth O (16)
|
MDFSC |
1:00.90 |
1:01.07 |
0.17 |
| 6 |
Sparshott, Joseph D (18)
|
PVDCPR |
56.43 |
1:01.47 |
5.04 |
| 7 |
Son, Alistair K (18)
|
PVSA |
1:05.40 |
1:04.18 |
-1.22 |
| 8 |
Chen, Jason Y (16)
|
PVFAST |
1:04.40 |
1:05.71 |
1.31 |
| 9 |
Miller, James W (17)
|
PVFAST |
1:06.67 |
1:06.89 |
0.22 |
| 10 |
Mossman, Dillon J (18)
|
PVFAST |
1:05.92 |
1:07.02 |
1.10 |
| 11 |
Kahwajy, Andrew F (17)
|
MDFSC |
1:00.28 |
1:07.66 |
7.38 |
| 12 |
Vanskike, Otto R (18)
|
PVDCPR |
1:11.23 |
1:08.64 |
-2.59 |
| 13 |
Bassett, Cormac K (16)
|
MDFSC |
1:11.28 |
1:09.59 |
-1.69 |
| 14 |
Lassiter, Matthew J (17)
|
PVDCPR |
1:43.29 |
1:35.61 |
-7.68 |
|
Wilson, Brian T (16)
|
PVHEAL |
1:06.94 |
NS |
- |