| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Chung, Hudson H (15)
|
MRBGNW |
50.51 |
52.14 |
1.63 |
| 2 |
Suh, Jonathan Y (17)
|
MRBGNW |
51.17 |
52.61 |
1.44 |
| 3 |
Louis-Charles, Frantz V (18)
|
MRBAD |
50.77 |
52.76 |
1.99 |
| 4 |
Sakharuk, Nikita V (16)
|
MRBGNW |
51.00 |
53.81 |
2.81 |
| 5 |
Lee, Aidan J (15)
|
MRWEST |
53.84 |
54.35 |
0.51 |
| 6 |
Wagner, Ryan T (24)
|
MRPAC |
50.61 |
54.73 |
4.12 |
| 7 |
Jiang, Kevin (15)
|
MRWEST |
56.61 |
55.74 |
-0.87 |
| 8 |
Wang, Yitao T (15)
|
MRPAC |
56.03 |
55.97 |
-0.06 |
| 9 |
Roychoudhury, Devayan (17)
|
MRWEST |
56.00 |
55.99 |
-0.01 |
| 10 |
DeCasseres, Elijah L (16)
|
MRWEST |
57.40 |
57.32 |
-0.08 |
| 11 |
Euyoque, Kevin D (16)
|
MRWEST |
57.23 |
57.56 |
0.33 |
| 12 |
Burke, Ryan P (16)
|
MRBAD |
59.18 |
57.63 |
-1.55 |
| 13 |
Moran, Jack M (16)
|
MRBGNW |
57.34 |
58.93 |
1.59 |
| 14 |
Marzano, Tyler J (18)
|
MRPAC |
57.08 |
59.36 |
2.28 |
| 15 |
Kim, Joseph (17)
|
MRPAC |
1:01.26 |
1:03.35 |
2.09 |
| 16 |
Levy, Aaron J (15)
|
MRWEST |
1:03.81 |
1:03.91 |
0.10 |
| 17 |
Lyubman, Ron A (15)
|
MRPAC |
1:06.69 |
1:04.27 |
-2.42 |
| 18 |
Maslov, Alexander (15)
|
MRPAC |
1:10.68 |
1:07.81 |
-2.87 |
| 19 |
Lynch, Jamie M (16)
|
MRBGNW |
1:04.77 |
1:08.33 |
3.56 |
| 20 |
Gulotta, Lawrence J (15)
|
MRBGNW |
1:08.10 |
1:12.40 |
4.30 |
| 21 |
Levy, Ben M (15)
|
MRBGNW |
1:17.68 |
1:14.88 |
-2.80 |
|
Skaff, Christian D (17)
|
MRPAC |
1:10.00 |
NS |
- |
|
Adl, Rommin N (17)
|
MRBGNW |
|
NS |
- |
|
Tsukikawa, Renzo G (16)
|
MRBAD |
56.45 |
NS |
- |