| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
McKillop, Jospeh E (10)
|
ILFMC |
1:26.48 |
1:32.59 |
6.11 |
| 2 |
Torpey, Blake W (10)
|
ILFOX |
1:37.57 |
1:32.79 |
-4.78 |
| 3 |
Rybaski, Hayden C (10)
|
ILSCST |
1:34.11 |
1:34.97 |
0.86 |
| 4 |
McKillop, Jacob E (10)
|
ILFMC |
1:38.38 |
1:35.70 |
-2.68 |
| 5 |
Czosnyka, David (10)
|
ILPAC |
1:42.36 |
1:36.15 |
-6.21 |
| 6 |
Sagun, Paxton V (10)
|
ILWILD |
1:40.51 |
1:36.31 |
-4.20 |
| 7 |
Ko, Jordan J (10)
|
ILGSC |
1:42.02 |
1:36.35 |
-5.67 |
| 8 |
Rimas, Edward A (10)
|
ILNEPT |
1:37.30 |
1:36.91 |
-0.39 |
| 9 |
Postovalov, Lucas A (10)
|
ILBRRY |
1:42.84 |
1:37.83 |
-5.01 |
| 10 |
Williams, Joel K (10)
|
ILSST |
1:48.09 |
1:38.99 |
-9.10 |
| 11 |
Mousty, Caleb M (10)
|
ILPAWW |
1:39.68 |
1:39.35 |
-0.33 |
| 12 |
Peluso, Paul M (9)
|
ILFMC |
1:44.85 |
1:39.50 |
-5.35 |
| 13 |
Pavlovic, Milan (10)
|
ILHOSC |
1:42.29 |
1:40.63 |
-1.66 |
| 14 |
Landorf, George A (10)
|
ILLIFE |
1:42.13 |
1:41.21 |
-0.92 |
| 15 |
Jevne, Stephen G (10)
|
ILBRRY |
1:45.34 |
1:41.60 |
-3.74 |
| 16 |
Millhollin, Easton A (9)
|
ILDDST |
1:29.67 |
1:41.70 |
12.03 |
| 17 |
Xu, Evan J (10)
|
ILFOX |
1:42.84 |
1:43.07 |
0.23 |
| 18 |
Becker, Samuel J (10)
|
ILLIFE |
1:44.54 |
1:43.17 |
-1.37 |
| 19 |
Kovalkov, Maksim (10)
|
ILBRRY |
1:28.30 |
1:43.44 |
15.14 |
| 20 |
Roessler, Theodore B (10)
|
ILFMC |
1:47.97 |
1:43.51 |
-4.46 |
| 21 |
Papanicholas, Luke J (10)
|
ILGSC |
1:45.02 |
1:43.55 |
-1.47 |
| 22 |
Pugachev, Daniel A (10)
|
ILPAC |
1:43.25 |
1:43.66 |
0.41 |
| 23 |
Juiris, Chase A (10)
|
ILNEPT |
1:38.32 |
1:44.82 |
6.50 |
| 24 |
Karasek, Nicholas (10)
|
ILPPD |
1:44.02 |
1:47.03 |
3.01 |
| 25 |
Casey, Jack L (10)
|
ILJPD |
1:48.03 |
1:49.91 |
1.88 |
| 26 |
Olivo, Abel (10)
|
ILTIDE |
1:51.45 |
1:50.13 |
-1.32 |