| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Walsh, Joshua M (15)
|
SEMTAC |
1:41.50 |
1:41.63 |
0.13 |
| 2 |
Mork, Nehemiah S (16)
|
MIKRON |
1:42.66 |
1:41.72 |
-0.94 |
| 3 |
Yeager, Christopher R (16)
|
GUFCST |
1:44.84 |
1:42.03 |
-2.81 |
| 4 |
Quinn, Jason T (16)
|
LELESD |
1:44.62 |
1:42.54 |
-2.08 |
| 5 |
Berry, Christian M (16)
|
SEMTAC |
1:44.11 |
1:42.57 |
-1.54 |
| 6 |
Fail, Brooks M (15)
|
AZTJCC |
1:43.27 |
1:42.90 |
-0.37 |
| 7 |
Spichiger, Robert C (16)
|
NJSCAR |
1:57.00 |
1:43.01 |
-13.99 |
| 8 |
Draves, Michael L (15)
|
WIBAC |
1:42.50 |
1:43.10 |
0.60 |
| 9 |
Saya, Jonah F (16)
|
COMACS |
1:45.60 |
1:43.18 |
-2.42 |
| 10 |
Morse, Jonathan P (17)
|
SCYSSC |
1:45.97 |
1:43.87 |
-2.10 |
| 11 |
Kao, Sidney H (16)
|
CAFAST |
1:44.30 |
1:44.11 |
-0.19 |
| 12 |
Wu, Derek (17)
|
GADYNA |
1:46.03 |
1:44.12 |
-1.91 |
| 13 |
Woicik, Matthew E (16)
|
CATSM |
1:44.91 |
1:44.20 |
-0.71 |
| 14 |
Shackleton, Herbert T (17)
|
MAPAAC |
1:42.50 |
1:44.39 |
1.89 |
| 15 |
Cruse, Nicholas H (15)
|
PCMP |
1:46.21 |
1:46.20 |
-0.01 |
| 16 |
Howard, Cameron K (18)
|
INBBSC |
1:47.06 |
1:46.40 |
-0.66 |
| 17 |
Lennon, Matthew G (17)
|
PCOAPB |
1:44.18 |
1:46.47 |
2.29 |
| 18 |
Stevenson, Bradley R (17)
|
OHBASH |
1:45.90 |
1:46.62 |
0.72 |
| 19 |
Bovee, Jordan D (17)
|
VAODAC |
1:42.20 |
1:52.89 |
10.69 |