| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Li, Ben (8)
|
NJWW |
43.62 |
44.34 |
0.72 |
| 2 |
Mazzariello, Giovanni A (8)
|
NJNJRC |
47.05 |
46.27 |
-0.78 |
| 3 |
Neff, Owen P (8)
|
NJMB |
51.24 |
49.17 |
-2.07 |
| 4 |
Goh, Jordan R (7)
|
NJNJRC |
47.57 |
49.32 |
1.75 |
| 5 |
Patoe, Cameron S (8)
|
NJNJRC |
49.77 |
52.70 |
2.93 |
| 6 |
Sommerhalter, Matthew J (8)
|
NJNJRC |
51.70 |
56.11 |
4.41 |
| 7 |
Reed, Henry D (8)
|
NJPPST |
56.39 |
1:02.26 |
5.87 |
| 8 |
Rodriguez, Joseph L (7)
|
NJCJAC |
58.83 |
1:03.37 |
4.54 |
| 9 |
O'Keefe, Emmett (7)
|
NJMB |
1:40.88 |
1:05.20 |
-35.68 |
| 10 |
Slodowitz, Nathan M (8)
|
NJNJRC |
1:04.08 |
1:07.50 |
3.42 |
| 11 |
Rice, Sebastian (7)
|
NJTAC |
1:10.07 |
1:08.39 |
-1.68 |