| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Joseph, Sulaiman B (10)
|
PVDCPR |
40.33 |
38.35 |
-1.98 |
| 2 |
Henrikson-Brandt, Kai (9)
|
PVDCPR |
47.47 |
38.50 |
-8.97 |
| 3 |
Barbour, Alexander F (10)
|
PVNCAP |
40.52 |
39.07 |
-1.45 |
| 4 |
Worthen, Jermaine (9)
|
PVNCAP |
45.66 |
43.58 |
-2.08 |
| 5 |
Belen, Alfonso M (10)
|
PVERSC |
49.04 |
50.69 |
1.65 |
| 6 |
Songu-Mbriwa, Nathanael K (9)
|
PVNCAP |
48.09 |
52.02 |
3.93 |
| 7 |
Lam, Tristan C (10)
|
PVDCPR |
1:18.24 |
52.04 |
-26.20 |
| 8 |
Egan, John M (10)
|
PVDCPR |
|
53.52 |
- |
| 9 |
Thompson, Javier A (9)
|
PVDCPR |
|
1:01.51 |
- |
| 10 |
Tompkins, Jordan C (10)
|
PVERSC |
|
1:02.94 |
- |
| 11 |
Le, Khanh C (9)
|
PVDCPR |
|
1:04.53 |
- |
| 12 |
Sade, Owen H (10)
|
PVDCPR |
1:13.23 |
1:09.40 |
-3.83 |
| 13 |
Campos, Santiago A (9)
|
PVDCPR |
|
1:16.98 |
- |
|
Lightfoot, William A (9)
|
PVERSC |
|
DQ |
- |
|
Hill, Miles J (10)
|
PVDCPR |
|
DQ |
- |
|
Fleming, Colton S (9)
|
PVDCPR |
|
DQ |
- |
|
Cidre, Avi (10)
|
PVDCPR |
|
DQ |
- |
|
Parham, Jonathan R (10)
|
PVNCAP |
|
NS |
- |