| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sundberg, Kyle (12)
|
MRHYB |
1:18.83 |
1:17.54 |
-1.29 |
| 1 |
Ma, Henry Y (12)
|
MRLIAC |
1:18.30 |
1:18.35 |
0.05 |
| 1 |
Doran, Declan T (12)
|
MRIA |
1:25.66 |
1:28.38 |
2.72 |
| 2 |
Jacuch, Adam (12)
|
MRTS |
1:19.30 |
1:18.53 |
-0.77 |
| 3 |
Steinberg, Matthew L (12)
|
MRTS |
1:19.50 |
1:18.58 |
-0.92 |
| 4 |
Paton, Gavin C (12)
|
MRIA |
1:24.21 |
1:19.01 |
-5.20 |
| 5 |
Miele, Matthew J (12)
|
MRTVSC |
1:22.69 |
1:19.26 |
-3.43 |
| 6 |
Sommerstad, Ryan T (12)
|
MRTVSC |
1:21.35 |
1:20.64 |
-0.71 |
| 7 |
Chen, Issac (12)
|
MRLIAC |
1:25.91 |
1:20.76 |
-5.15 |
| 8 |
Placencia-Nazareno, Ethan (12)
|
MRTVSC |
1:22.80 |
1:20.77 |
-2.03 |
| 9 |
Savas, Brayden T (12)
|
MRSSC |
1:20.14 |
1:21.55 |
1.41 |
| 10 |
Augustin, James J (12)
|
MRFA |
1:18.91 |
1:21.77 |
2.86 |
| 11 |
Xi, Patrick (12)
|
MRLIAC |
1:22.57 |
1:22.05 |
-0.52 |
| 12 |
Chang, Henry H (12)
|
MRLIAC |
1:25.16 |
1:22.22 |
-2.94 |
| 13 |
Wu, Oliver F (12)
|
MRTVSC |
1:22.40 |
1:22.32 |
-0.08 |
| 14 |
Znachowski, Owen A (12)
|
MRWISC |
1:23.91 |
1:22.47 |
-1.44 |
| 15 |
Wang, Ethan (12)
|
MRLIAC |
1:24.38 |
1:25.34 |
0.96 |