| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Smith, Sebastian L (15)
|
MRPATS |
54.22 |
56.55 |
2.33 |
| 2 |
Lerner, Ryan M (16)
|
MRVAC |
1:03.43 |
59.04 |
-4.39 |
| 3 |
Zupko, Sean P (16)
|
MRVAC |
1:00.08 |
1:00.21 |
0.13 |
| 4 |
Chan, Alexander L (17)
|
MRPATS |
58.00 |
1:00.71 |
2.71 |
| 5 |
Kane, Aidan J (17)
|
MRPBAC |
53.43 |
1:00.98 |
7.55 |
| 6 |
Tirch, Patrick M (14)
|
MRHVD |
56.52 |
1:01.81 |
5.29 |
| 7 |
Smolar, Andrew (17)
|
MRVAC |
1:02.36 |
1:02.01 |
-0.35 |
| 8 |
Kellman, Adam H (15)
|
MRVAC |
59.15 |
1:02.16 |
3.01 |
| 9 |
Ma, Kevin W (15)
|
MRPATS |
1:04.97 |
1:06.56 |
1.59 |
| 10 |
Rutishauser, Wyatt W (14)
|
MRPATS |
NT |
1:06.60 |
66.60 |
| 11 |
Storaska, Nathaniel W (15)
|
MRVAC |
NT |
1:08.56 |
68.56 |
| 12 |
Storaska, Noah (13)
|
MRVAC |
NT |
1:26.82 |
86.82 |
| 13 |
Cardenas, Carlos D (13)
|
MRPATS |
NT |
DQ |
- |
| 14 |
Horgan, Edward L (15)
|
MRHVD |
58.49 |
NS |
- |
| 15 |
Moscoso, David A (15)
|
MRPATS |
1:17.11 |
NS |
- |