| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ramnath, Viaan (9)
|
MRYFD |
1:28.07 |
1:25.45 |
-2.62 |
| 2 |
Baronian, Finnegan J (9)
|
MRCOND |
1:33.46 |
1:29.50 |
-3.96 |
| 3 |
Uhlir, Luca (9)
|
MRYFD |
1:40.03 |
1:32.91 |
-7.12 |
| 4 |
Loucopoulos, Christian A (9)
|
MRYFD |
1:37.77 |
1:32.93 |
-4.84 |
| 5 |
Pellumbi, Michael D (8)
|
MRCOND |
1:39.76 |
1:34.09 |
-5.67 |
| 6 |
Cattie-Watt, Alexander B (9)
|
MRYFD |
|
1:41.19 |
- |
| 7 |
Jorsling Jr., Jamal C (9)
|
MRBAD |
1:44.94 |
1:43.04 |
-1.90 |
| 8 |
Razo, Soren A (9)
|
MRYFD |
1:52.03 |
1:47.70 |
-4.33 |
| 9 |
Cosic, Luca (9)
|
NJSCY |
1:57.48 |
1:48.44 |
-9.04 |
| 10 |
Bender, Lucas N (8)
|
MRCOND |
1:53.24 |
1:48.62 |
-4.62 |
| 11 |
Hoffmann, Maximilian H (7)
|
MRBAD |
1:54.25 |
1:53.44 |
-0.81 |
| 12 |
Masella, James V (8)
|
MRYFD |
|
1:58.06 |
- |
|
Zhang, Octavius (8)
|
MRBAD |
1:32.65 |
DQ |
- |