| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Johnson, Jason G (10)
|
PVDCPR |
36.57 |
37.79 |
1.22 |
| 2 |
Rosen, Maxwell B (10)
|
PVMSSC |
46.67 |
44.31 |
-2.36 |
| 3 |
Smith, Tobias M (10)
|
PVMACH |
|
45.89 |
- |
| 4 |
Priimak, Daniel (11)
|
PVTRA |
45.39 |
45.97 |
0.58 |
| 5 |
Peterson Arias, Ian A (10)
|
PVDCPR |
45.30 |
46.05 |
0.75 |
| 6 |
Davis, Myles M (10)
|
PVDCPR |
50.67 |
46.99 |
-3.68 |
| 7 |
Skeete, Aydan J (11)
|
PVPGPR |
45.95 |
47.10 |
1.15 |
| 8 |
Dence, Joseph S (10)
|
PVDCPR |
50.97 |
47.20 |
-3.77 |
| 9 |
Horton, Henry D (10)
|
PVDCPR |
48.68 |
48.19 |
-0.49 |
| 10 |
Dormitzer, Odin B (10)
|
PVDCPR |
47.35 |
49.39 |
2.04 |
| 11 |
Emrick, Vasya S (11)
|
PVFAST |
44.65 |
50.27 |
5.62 |
| 12 |
Sager, Matthew E (11)
|
PVFAST |
54.41 |
53.81 |
-0.60 |
| 13 |
Lombardo, Theodore A (11)
|
PVFAST |
53.26 |
56.88 |
3.62 |
| 14 |
Davidson, Max B (10)
|
PVDCPR |
1:00.91 |
59.44 |
-1.47 |
| 15 |
Wong, Yau Chi (11)
|
PVDCPR |
1:02.55 |
1:04.04 |
1.49 |
| 16 |
Hoang, Long (10)
|
PVMSSC |
1:06.25 |
1:07.26 |
1.01 |
| 17 |
Bell-SamDab, Samuel R (10)
|
PVPGPR |
|
1:12.10 |
- |
|
Reid, LeNard R (11)
|
PVDCPR |
|
NS |
- |
|
Johnson, Logan H (10)
|
PVMSSC |
51.87 |
NS |
- |