| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Toole, Jack O (11)
|
GUESA |
31.17 |
30.98 |
-0.19 |
| 2 |
Wang, Alan W (12)
|
GUPEAK |
32.82 |
31.53 |
-1.29 |
| 3 |
Bigney, Quinn J (12)
|
GUESA |
32.35 |
33.35 |
1.00 |
| 4 |
Camarena, Diego * (12)
|
GUPEAK |
35.20 |
33.91 |
-1.29 |
| 5 |
de Zwart, Jamie W (11)
|
GUSSS |
33.78 |
34.11 |
0.33 |
| 6 |
Dykhouse, Lance M (12)
|
GUESA |
34.25 |
34.22 |
-0.03 |
| 7 |
Villalon, Diego A (12)
|
GUPEAK |
35.64 |
35.00 |
-0.64 |
| 8 |
Istre, Gabriel R (11)
|
GUSSS |
39.36 |
35.69 |
-3.67 |
| 9 |
Shirey, Gavin F (12)
|
GUAMBU |
35.73 |
36.58 |
0.85 |
| 10 |
Orsi, Kyle J (12)
|
GUPEAK |
38.17 |
36.73 |
-1.44 |
| 11 |
D'Onofrio, Cole (12)
|
GUSSS |
39.24 |
38.48 |
-0.76 |
| 12 |
Foster, Christopher W (12)
|
GUSSS |
37.67 |
39.55 |
1.88 |
| 13 |
Morris, Michael C (11)
|
GUESA |
38.70 |
41.00 |
2.30 |
| 14 |
Tamang, Liam R (11)
|
GUPEAK |
44.45 |
41.49 |
-2.96 |
| 15 |
Gross, Zachary M (11)
|
GUNOCH |
42.04 |
42.75 |
0.71 |
| 16 |
Garcia, Dylan S (11)
|
GUNOCH |
47.66 |
44.10 |
-3.56 |
| 17 |
Martinez, Cesar A (11)
|
GUNOCH |
48.55 |
48.19 |
-0.36 |
| 18 |
Rodriguez, Bryan (11)
|
GUAMBU |
|
51.70 |
- |
| 19 |
Allen, Owen R (11)
|
GUAMBU |
|
54.48 |
- |
| 20 |
Corning, Nicholas J (11)
|
GUAMBU |
|
58.30 |
- |
|
Chapa, Seve N (11)
|
GUPEAK |
51.43 |
DQ |
- |
|
Loizos, Lucas A (11)
|
GUHUNT |
1:50.73 |
NS |
- |
|
Jenkins, Christopher D (11)
|
GUHUNT |
|
NS |
- |
|
Egan, Jack P (12)
|
GUESA |
35.03 |
NS |
- |