| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sheets, Benjamin F (17)
|
AMHD |
|
59.19 |
- |
| 2 |
Darling, Aidan (18)
|
MDRAC |
1:01.17 |
1:00.85 |
-0.32 |
| 3 |
Rotunda, Matthew K (15)
|
MDMBK |
1:00.45 |
1:01.29 |
0.84 |
| 4 |
Lever Gonzalez, Oscar L (16)
|
AMPEAQ |
1:01.67 |
1:01.53 |
-0.14 |
| 5 |
Bryant, Kaleb A (17)
|
PVDCPR |
1:01.66 |
1:02.35 |
0.69 |
| 6 |
Uriarte Moreira, Frederico (16)
|
PVDCPR |
1:05.39 |
1:02.44 |
-2.95 |
| 7 |
Miller, Jacob J (14)
|
MDMBK |
1:01.45 |
1:02.69 |
1.24 |
| 8 |
Jenkins, Finn O (14)
|
MDCAA |
|
1:02.76 |
- |
| 9 |
Caton, Andrew J (16)
|
PVMACH |
1:00.35 |
1:02.80 |
2.45 |
| 10 |
Brown, Griffin J (17)
|
PVFXFX |
1:03.66 |
1:02.83 |
-0.83 |
| 11 |
Daugherty, Ethan E (17)
|
MDLBA |
1:01.94 |
1:03.44 |
1.50 |
| 12 |
Cherches, Mark D (15)
|
MDJCC |
1:12.23 |
1:06.47 |
-5.76 |
| 13 |
Rotman, Sammy (15)
|
MDJCC |
1:04.45 |
1:09.77 |
5.32 |