| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
McKenna, Brendan (17)
|
MRNCAC |
48.90 |
49.50 |
0.60 |
| 2 |
Watler, Jaleel C (17)
|
MRNYCC |
51.50 |
50.67 |
-0.83 |
| 3 |
Thomas, Desi C (15)
|
MRNYCC |
53.76 |
52.73 |
-1.03 |
| 4 |
Guernsey, David T (28)
|
MRNYAC |
50.47 |
52.79 |
2.32 |
| 5 |
Fischer, Christopher J (19)
|
MRAPEX |
51.50 |
53.06 |
1.56 |
| 6 |
Donlevy, William (15)
|
MRCIY |
54.54 |
53.56 |
-0.98 |
| 7 |
Lane, William W (16)
|
MRNYCC |
53.36 |
53.87 |
0.51 |
| 8 |
Zhu, Beck (15)
|
MRNCAC |
51.00 |
54.98 |
3.98 |
| 9 |
Streeter, Myles (17)
|
MRCAS |
56.18 |
55.13 |
-1.05 |
| 10 |
Wadsworth, John D (15)
|
MRSSL |
51.74 |
55.31 |
3.57 |
| 11 |
Karen, Jason C (15)
|
MRSSL |
56.58 |
57.03 |
0.45 |
| 12 |
Lin, Justin V (16)
|
MRUN |
|
57.18 |
- |
| 13 |
Belmont, Chance (16)
|
MRNCAC |
57.00 |
58.08 |
1.08 |
| 14 |
Brennan, Steven Jr J (17)
|
MRCIY |
59.74 |
58.26 |
-1.48 |
| 15 |
Hagan, Alexander E (15)
|
MRPATS |
58.76 |
58.44 |
-0.32 |
| 16 |
Thio, Randy M (15)
|
MRNCAC |
54.00 |
58.95 |
4.95 |
| 17 |
Ren, Harry (15)
|
MRCIY |
1:00.96 |
1:01.51 |
0.55 |
| 18 |
Haynes II, Dylan R (16)
|
MRCIY |
1:06.30 |
1:06.32 |
0.02 |
| 19 |
Gallinger, Matthew T (15)
|
MRPATS |
|
1:07.41 |
- |
| 20 |
Isaac, John E (15)
|
MRSSL |
1:12.63 |
1:10.93 |
-1.70 |
|
Gaitour, Victor E (16)
|
MRNYCC |
52.03 |
NS |
- |
|
Lin, Jiazheng (17)
|
MRNYCC |
55.00 |
NS |
- |
|
Vernoia, Michael F (24)
|
MRNYAC |
45.74 |
NS |
- |