| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rikic, Aidan (15)
|
MRTRI |
52.74 |
54.09 |
1.35 |
| 2 |
Baldwin, Sean D (17)
|
MRNYCC |
53.96 |
54.83 |
0.87 |
| 3 |
Konviser, Eric L (15)
|
MRTRI |
53.40 |
55.40 |
2.00 |
| 4 |
Goncharuk, Samuel G (15)
|
MRTRI |
54.12 |
56.13 |
2.01 |
| 5 |
Cusumano, Charlie (16)
|
MRTRI |
55.97 |
56.67 |
0.70 |
| 6 |
Sanchez, Roger (17)
|
MRAPEX |
58.80 |
56.90 |
-1.90 |
| 7 |
Kroon, Eric (17)
|
MRTRI |
56.94 |
57.39 |
0.45 |
| 8 |
Wang, Harry H (17)
|
MRAPEX |
55.60 |
57.54 |
1.94 |
| 9 |
Fleurimont, Justin I (15)
|
MRTRI |
59.50 |
57.88 |
-1.62 |
| 10 |
Bishop, William L (15)
|
MRYFD |
1:01.00 |
1:00.67 |
-0.33 |
| 11 |
Drumm, John S (15)
|
MRYFD |
1:00.99 |
1:00.80 |
-0.19 |
| 12 |
Guirre, Lorenz (15)
|
MRTRI |
59.96 |
1:01.45 |
1.49 |
| 13 |
Lee, Kyton C (15)
|
MRNYCC |
1:03.15 |
1:01.76 |
-1.39 |
| 14 |
Lu, Brendan (15)
|
MRNYCC |
|
1:02.33 |
- |
| 15 |
Ferguson, Elias M (17)
|
MRNYCC |
1:02.15 |
1:02.68 |
0.53 |
| 16 |
Daghfous, Skander (15)
|
MRYFD |
1:02.53 |
1:02.96 |
0.43 |
| 17 |
Sellami, Maxime L (15)
|
MRYFD |
1:03.10 |
1:03.85 |
0.75 |
| 18 |
Spring, Eli N (15)
|
MRBKR |
1:02.58 |
1:04.01 |
1.43 |
| 19 |
Holert, Samuel P (17)
|
MRNYCC |
1:05.03 |
1:04.53 |
-0.50 |
| 20 |
Bakhshiyev, Izik (16)
|
MRTRI |
1:04.31 |
1:05.24 |
0.93 |
| 21 |
Juncaj, Bernard A (15)
|
MRAPEX |
1:04.94 |
1:05.94 |
1.00 |
| 22 |
Rozenfeld, Samuel (17)
|
MRTRI |
1:09.32 |
1:06.15 |
-3.17 |
| 23 |
Shapiro, Luca D (15)
|
MRYFD |
1:09.83 |
1:09.64 |
-0.19 |
| 24 |
Garcia-Barbier, Jaden R (15)
|
MRYFD |
1:10.71 |
1:10.36 |
-0.35 |
| 25 |
Meleady-Breslin, Kevin M (15)
|
MRLIAC |
1:06.02 |
1:11.75 |
5.73 |
| 26 |
Velazquez, Kevin (15)
|
MRBKR |
1:25.31 |
1:20.60 |
-4.71 |