| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mialkovskyi, Denys (11)
|
MRRIST |
1:03.37 |
1:02.88 |
-0.49 |
| 2 |
Levine, Aidan (11)
|
MRTRI |
1:06.38 |
1:06.53 |
0.15 |
| 3 |
Dunn, Liam (11)
|
MRTRI |
1:12.20 |
1:11.83 |
-0.37 |
| 4 |
Gill, George Erich E (12)
|
MRAGUA |
1:13.54 |
1:15.36 |
1.82 |
| 5 |
Killian, Joachim T (12)
|
MRUN |
1:24.69 |
1:17.74 |
-6.95 |
| 6 |
Sprague, Teo D (11)
|
MRBKR |
1:21.91 |
1:19.02 |
-2.89 |
| 7 |
Stewart, Matteo (12)
|
MRAGUA |
1:19.25 |
1:19.08 |
-0.17 |
| 8 |
Auth, Alexander T (11)
|
MRAGUA |
1:24.62 |
1:19.83 |
-4.79 |
| 9 |
Fan, Zachary (11)
|
MRMAKO |
1:25.36 |
1:20.67 |
-4.69 |
| 10 |
Ciurcina, Joseph (11)
|
MRTRI |
1:26.02 |
1:21.32 |
-4.70 |
| 11 |
Lau, Alexander (11)
|
MRQNS |
1:33.60 |
1:26.09 |
-7.51 |
| 12 |
Re, Nicola (11)
|
MRRIST |
|
1:35.66 |
- |
| 13 |
Kasmaukas, Nikita (11)
|
MRTRI |
2:00.00 |
1:36.59 |
-23.41 |
| 14 |
DeBlasi, Matthew J (11)
|
MRBKR |
1:35.00 |
1:36.86 |
1.86 |
| 15 |
Reyes, Oliver K (11)
|
MRBKR |
1:43.28 |
1:37.00 |
-6.28 |
| 16 |
Kaye, Ellis A (12)
|
MRBKR |
1:45.00 |
1:50.19 |
5.19 |
|
Sucher, Mattias (12)
|
MRMAKO |
1:27.82 |
DQ |
- |
|
Bracichowicz, Daniel V (12)
|
MRBKR |
1:40.00 |
DQ |
- |
|
Leonard, Ryan (11)
|
MRTRI |
1:46.85 |
DQ |
- |
|
Rosenberg, Peter (12)
|
MRMAKO |
1:41.52 |
NS |
- |