| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
McKenrick, Aidan J (17)
|
MAPAY |
4:25.43 |
4:27.84 |
2.41 |
| 2 |
Hussin, Jackson G (16)
|
MAPAY |
|
4:30.77 |
- |
| 3 |
Morris, Justin T (16)
|
MABYNS |
4:31.69 |
4:38.40 |
6.71 |
| 4 |
Graff, Brett M (17)
|
MAWCAY |
4:22.81 |
4:39.29 |
16.48 |
| 5 |
Scott, Nicholas (15)
|
MAWCAY |
|
4:44.86 |
- |
| 6 |
Sherlock, Jonathon Z (16)
|
MAWCAY |
4:46.51 |
4:45.08 |
-1.43 |
| 7 |
Hopkins, Matthew K (17)
|
MAUMLY |
|
4:45.53 |
- |
| 8 |
Hickey, Andrew (17)
|
MAWCAY |
4:38.78 |
4:47.16 |
8.38 |
| 9 |
Gossow, Daniel C (15)
|
MAUMLY |
|
4:47.73 |
- |
| 10 |
Aclan, Ryan-Gabriel P (17)
|
MAPAY |
4:55.14 |
4:53.59 |
-1.55 |