| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Donnelly, Jack T (17)
|
NJEEX |
58.05 |
58.68 |
0.63 |
| 2 |
Molinaro, Conrad M (15)
|
AMTPIT |
|
59.39 |
- |
| 3 |
Casey, Jack H (15)
|
MRHAA |
1:00.00 |
1:00.41 |
0.41 |
| 4 |
Cho, Edward (13)
|
NJWAVE |
1:00.98 |
1:00.79 |
-0.19 |
| 5 |
Renaud, Ean W (16)
|
NJJFAC |
59.98 |
1:00.88 |
0.90 |
| 6 |
Rachamallu, Manish (16)
|
NJPTAC |
1:00.38 |
1:00.97 |
0.59 |
| 7 |
Farmer, Noah J (18)
|
ADCLIN |
1:00.45 |
1:01.29 |
0.84 |
| 8 |
Cho, William Y (16)
|
MRPAC |
1:01.98 |
1:01.36 |
-0.62 |
| 9 |
Lessiohadi, Jonathan J (16)
|
NJEEX |
59.99 |
1:01.39 |
1.40 |
| 10 |
Jamilkowski, Blake M (16)
|
MRYFD |
1:01.53 |
1:01.76 |
0.23 |
| 11 |
Li, Michael (17)
|
CTRYWC |
1:00.00 |
1:01.79 |
1.79 |
| 12 |
Papsco, Zachary T (15)
|
MRHAA |
1:00.00 |
1:02.56 |
2.56 |
| 13 |
Cullen, Ronald D (17)
|
NJJFAC |
1:01.66 |
1:03.62 |
1.96 |
| 14 |
Gorizia, Lucca E (17)
|
MRRAC |
1:02.30 |
1:04.06 |
1.76 |
| 15 |
Lequang, Matthew (14)
|
NJPTAC |
1:04.74 |
1:04.12 |
-0.62 |