| # | Swimmer | Team | Seed | Time | Diff |
| 2 |
Zhang, Nicolas C (9)
|
MRBGNW |
1:43.56 |
1:41.28 |
-2.28 |
| 3 |
Yi, Aiden L (9)
|
NJJFAC |
1:41.80 |
1:41.29 |
-0.51 |
| 4 |
Rogerson, Ethan V (9)
|
MRBGNW |
1:48.78 |
1:42.50 |
-6.28 |
| 5 |
Rybak, Peter M (9)
|
CTZEUS |
|
1:42.59 |
- |
| 6 |
Winnegar, Carter J (9)
|
MRBGNW |
1:47.20 |
1:43.96 |
-3.24 |
| 7 |
Bajgierowicz, Michael (9)
|
MRCOND |
|
1:53.06 |
- |
| 8 |
Saloutenko, Hunter H (9)
|
MRCOND |
|
2:02.15 |
- |
| 9 |
Villanueva, Michael (9)
|
CTZEUS |
|
2:06.47 |
- |
|
Kaplan, Nathan X (9)
|
MRYFD |
|
DQ |
- |
|
van der Touw, Samuel B (9)
|
NJJFAC |
1:40.00 |
DQ |
- |
|
Zagorski, Sebastian J (9)
|
MRRA |
1:27.29 |
DQ |
- |