| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Simmons, Shayne K (17)
|
CTRAC |
35.18 |
33.64 |
-1.54 |
| 2 |
Yamamoto, Kai (16)
|
MRAGUA |
32.00 |
34.22 |
2.22 |
| 3 |
De Jong, Taiyo A (17)
|
MRAGUA |
32.00 |
34.25 |
2.25 |
| 4 |
Attenborough, Anthony P (15)
|
MRFREE |
33.28 |
34.84 |
1.56 |
| 5 |
Hruska, Luke M (17)
|
CTRAC |
35.30 |
35.38 |
0.08 |
| 6 |
Oppenheim, Nathaniel (13)
|
CTRAC |
34.93 |
35.43 |
0.50 |
| 7 |
Liu, Alexander J (17)
|
MRNDAC |
34.11 |
36.08 |
1.97 |
| 8 |
Glinchenko, Michael (15)
|
MRFREE |
38.06 |
36.98 |
-1.08 |
| 9 |
Tayban, Michael (13)
|
MRFREE |
40.41 |
39.48 |
-0.93 |
| 10 |
Geller, Russell (14)
|
MRFREE |
40.94 |
40.00 |
-0.94 |
| 11 |
Herbert, Owain G (14)
|
MRNDAC |
38.11 |
40.06 |
1.95 |
| 12 |
Wilson, Edmund (13)
|
MRNDAC |
44.48 |
42.21 |
-2.27 |
| 13 |
Laskey, Ian G (14)
|
MRFREE |
48.07 |
43.40 |
-4.67 |
| 14 |
McLaughlin, Liam J (14)
|
MRFREE |
55.99 |
46.21 |
-9.78 |
|
Mitchener, Ryan N (15)
|
MRAGUA |
32.00 |
DQ |
- |