| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Su, Ryan Z (12)
|
MRLIAC |
1:19.82 |
1:17.53 |
-2.29 |
| 1 |
Brennan, Christopher R (12)
|
MRLIAC |
1:20.72 |
1:19.41 |
-1.31 |
| 2 |
Wun, Joseph T (12)
|
MRLIAC |
1:19.14 |
1:19.43 |
0.29 |
| 2 |
Chen, Kellan (12)
|
MRLIAC |
1:26.20 |
1:26.92 |
0.72 |
| 3 |
Wu, Lewis H (12)
|
MRTVSC |
1:20.62 |
1:19.53 |
-1.09 |
| 4 |
Szwestko, Damian (12)
|
MRFA |
1:19.93 |
1:19.79 |
-0.14 |
| 5 |
Sumpter, Marcus S (12)
|
MRTVSC |
1:18.94 |
1:20.22 |
1.28 |
| 6 |
Jang, Si Woo (12)
|
MRLIAC |
1:26.27 |
1:21.75 |
-4.52 |
| 7 |
Rasavongseuk, Andrew G (12)
|
MRTS |
1:21.61 |
1:22.60 |
0.99 |
| 8 |
Theophilou, Antonis T (12)
|
MRTVSC |
1:22.48 |
1:23.08 |
0.60 |
| 9 |
Panchuk, Anthony (12)
|
MRSSC |
1:25.00 |
1:23.70 |
-1.30 |
| 10 |
Ng, Brandon A (12)
|
MRLIAC |
1:24.78 |
1:24.17 |
-0.61 |
| 11 |
Quintero, Esteban L (12)
|
MRTVSC |
1:26.10 |
1:24.30 |
-1.80 |
| 12 |
Gimm, Brandon T (12)
|
MRLIAC |
1:24.91 |
1:25.07 |
0.16 |