| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Boekeloo, Zachary T (19)
|
ADBFIN |
16:53.25 |
17:23.90 |
30.65 |
| 2 |
Ryan, Jack F (17)
|
ADCPP |
17:28.95 |
18:07.60 |
38.65 |
| 3 |
Schmeer, Peter N (16)
|
ADALBS |
17:21.70 |
18:13.52 |
51.82 |
| 4 |
Stafford, Keegan D (13)
|
ADSCHE |
19:17.53 |
18:41.31 |
-36.22 |
| 5 |
Bianco, Phillip C (13)
|
ADBFIN |
|
18:52.59 |
- |
| 6 |
DeMan, Quinten H (16)
|
ADCPP |
|
19:14.76 |
- |
| 7 |
Boyle, Samuel E (13)
|
ADSCHE |
19:48.31 |
19:24.31 |
-24.00 |
| 8 |
Moloney, John E (18)
|
ADALBS |
19:33.20 |
19:28.41 |
-4.79 |
| 9 |
Richardson, Joshua C (13)
|
ADALBS |
|
19:38.34 |
- |
| 10 |
Gordon-Stacey, Druhan M (17)
|
ADALBS |
22:54.68 |
20:11.53 |
-163.15 |
| 11 |
Tobias-Wallingford, Owen H (14)
|
ADBFIN |
|
20:32.01 |
- |
| 12 |
Hughes, Conor P (16)
|
ADUSAM |
22:43.10 |
22:08.98 |
-34.12 |
|
Chiarella, Joseph A (15)
|
ADALBS |
19:47.66 |
NS |
- |