| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lanigan, Daniel B (10)
|
GUAMBU |
41.11 |
39.21 |
-1.90 |
| 2 |
Miguez, Ethan J (9)
|
GUESA |
|
39.27 |
- |
| 3 |
Bender, Isaiah C (9)
|
GUSWIM |
|
43.35 |
- |
| 4 |
Bishop, Peter M (9)
|
GUTYES |
45.03 |
44.00 |
-1.03 |
| 5 |
Thomas, James L (10)
|
GUTYES |
|
44.60 |
- |
| 6 |
Ham, Gideon (9)
|
GUAMBU |
58.67 |
46.09 |
-12.58 |
| 7 |
Gross, Samuel G (10)
|
GUSWIM |
45.14 |
46.34 |
1.20 |
| 8 |
Abad, Ryland D (10)
|
GUSWIM |
59.34 |
47.39 |
-11.95 |
| 9 |
Hearne, Jonah C (9)
|
GUSWIM |
51.74 |
48.52 |
-3.22 |
| 10 |
Elnasr, Adam Z (10)
|
GUSWIM |
48.48 |
51.62 |
3.14 |
| 11 |
Andrade, Christian N (9)
|
GUSWIM |
57.30 |
52.06 |
-5.24 |
| 12 |
Andrade, Jean Paul N (9)
|
GUSWIM |
52.71 |
52.65 |
-0.06 |
| 13 |
Crocker, Robert C (9)
|
GUTASC |
|
52.83 |
- |
| 14 |
Guerra, Jesus J (9)
|
GUNOCH |
1:03.25 |
54.21 |
-9.04 |
| 15 |
Baldwin, Colton W (9)
|
GUNOCH |
57.18 |
58.88 |
1.70 |
| 16 |
Kiyashchenko, Stepan (9)
|
GULIFE |
48.74 |
59.22 |
10.48 |
| 17 |
Arbelaez, Nicolas A (9)
|
GUTYES |
1:39.61 |
1:14.11 |
-25.50 |
|
Gonzalez, Salvador J (10)
|
NTMTRO |
|
DQ |
- |
|
Hassan, Omar A (10)
|
GULIFE |
|
DQ |
- |
|
Auman, William N (9)
|
GULIFE |
|
DQ |
- |
|
Patel, Ayden N (10)
|
GULIFE |
43.42 |
NS |
- |
|
Laverde, Dominic F (10)
|
GULIFE |
|
NS |
- |
|
Jin, Winston (9)
|
GULIFE |
43.11 |
NS |
- |
|
DuBrul, Ryan W (9)
|
GUUN-L |
48.10 |
NS |
- |