| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Valero, Parker S (10)
|
NEWACK |
48.59 |
43.53 |
-5.06 |
| 2 |
Hoover, Gerhardt W (10)
|
NESAIL |
44.88 |
45.00 |
0.12 |
| 3 |
Nie, Eric (10)
|
NEHAY |
44.41 |
45.54 |
1.13 |
| 4 |
Nelson, Peter M (10)
|
NESAIL |
51.37 |
47.44 |
-3.93 |
| 5 |
Ryu, David (9)
|
MRLIFE |
|
49.34 |
- |
| 6 |
Arquillano, Wielz Jehuven L (8)
|
NEHAY |
52.19 |
50.35 |
-1.84 |
| 7 |
Jaenicke, Santiago (9)
|
MRLIFE |
|
51.81 |
- |
| 8 |
Tyagi, Arsh (10)
|
NEHAY |
56.04 |
53.25 |
-2.79 |
| 9 |
Feole-Haughey, Jonathan R (8)
|
NEENVY |
|
54.47 |
- |
| 10 |
Pavlan, Timothy C (10)
|
NEDHH |
|
55.37 |
- |
| 11 |
Huang, Ethan W (9)
|
NEHAY |
1:10.72 |
55.53 |
-15.19 |
| 12 |
Wang, Jason M (10)
|
NEHAY |
1:08.45 |
56.59 |
-11.86 |
| 13 |
Xia, Aaron Z (6)
|
NEHAY |
1:24.37 |
1:01.29 |
-23.08 |
| 14 |
Gallagher, Andrew C (8)
|
NEKING |
1:07.04 |
1:10.40 |
3.36 |