| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Peterson Arias, Ian A (10)
|
PVDCPR |
37.98 |
37.93 |
-0.05 |
| 2 |
Lu, Andrew H (10)
|
PVNCAP |
41.80 |
40.50 |
-1.30 |
| 3 |
Morris, Caleb J (10)
|
PVPAC |
42.01 |
41.69 |
-0.32 |
| 4 |
Klugman, Zachary H (10)
|
PVJFD |
40.27 |
42.74 |
2.47 |
| 5 |
Komatsuzaki, Sebastian T (10)
|
PVNCAP |
40.02 |
42.95 |
2.93 |
| 6 |
Joung, Joshua S (10)
|
PVJFD |
44.01 |
44.29 |
0.28 |
| 7 |
Xia, Andrew H (10)
|
PVJFD |
44.44 |
44.96 |
0.52 |
| 8 |
Dobson, William W (10)
|
MDGMAC |
53.74 |
45.83 |
-7.91 |
| 9 |
Davis, Myles M (10)
|
PVDCPR |
43.70 |
47.54 |
3.84 |
| 10 |
Wong, Grady C (10)
|
PVJFD |
52.79 |
51.27 |
-1.52 |
| 11 |
Gilbert, Steven T (10)
|
PVDCPR |
|
52.14 |
- |
| 12 |
Dormitzer, Odin B (10)
|
PVDCPR |
57.12 |
54.45 |
-2.67 |
| 13 |
Bowers, James L (9)
|
MDGMAC |
1:03.68 |
58.16 |
-5.52 |
| 14 |
Badowski, Gavin M (10)
|
MDACSS |
|
1:15.97 |
- |
|
Kim, Seunghyun V (10)
|
PVTRA |
1:14.94 |
DQ |
- |
|
Rivero, Alexander C (10)
|
PVPAC |
1:12.42 |
DQ |
- |
|
Harden, Colin J (9)
|
PVNCAP |
55.82 |
DQ |
- |
|
Walendowski, Ian A (9)
|
PVJFD |
1:03.03 |
DQ |
- |
|
Pightling, Aziz I (9)
|
PVJFD |
|
DQ |
- |
|
Masiulis, Joseph C (9)
|
PVNCAP |
50.38 |
NS |
- |
|
Bloomquist, Mason D (10)
|
PVPAC |
48.21 |
NS |
- |
|
Vides Portela, Luis M (10)
|
PVJFD |
45.31 |
NS |
- |