| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Souk, Chris (13)
|
ILSCST |
17:47.26 |
18:17.02 |
29.76 |
| 2 |
Stackevicius, Rubenas * (13)
|
ILWHTN |
|
18:31.80 |
- |
| 3 |
Bey, Joshua J (13)
|
ILWHTN |
19:28.90 |
18:32.66 |
-56.24 |
| 4 |
Wang, Jonathan W (13)
|
ILWHTN |
|
18:34.69 |
- |
| 5 |
Donnelly, Sean N (17)
|
ILWHTN |
17:46.63 |
18:53.28 |
66.65 |
| 6 |
Wyrick, Luke A (14)
|
ILWHTN |
|
18:57.33 |
- |
| 7 |
Stevens, Bennett J (14)
|
ILSCST |
18:34.95 |
19:00.44 |
25.49 |
| 8 |
Deutmeyer, William H (13)
|
ILSCST |
18:42.66 |
19:04.75 |
22.09 |
| 9 |
Lendzion, Samuel P (14)
|
ILWHTN |
|
19:33.02 |
- |
| 10 |
Stratton, Matthew C (14)
|
ILSCST |
20:01.00 |
19:37.30 |
-23.70 |
| 11 |
Herscher, Ethan C (14)
|
ILWHTN |
19:18.85 |
19:42.49 |
23.64 |
| 12 |
O'Donnell, Tiernan G (12)
|
ILSCST |
20:12.95 |
19:57.21 |
-15.74 |
| 13 |
Reif, Jack R (13)
|
ILWHTN |
|
20:09.03 |
- |
| 14 |
Coric, Albert (12)
|
ILSCST |
20:42.15 |
20:13.52 |
-28.63 |
| 15 |
Sullivan, Declan J (13)
|
ILWHTN |
19:32.03 |
20:17.38 |
45.35 |
| 16 |
Nightlinger, Brady A (12)
|
ILSCST |
22:33.95 |
21:44.59 |
-49.36 |