| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tarafa, Matthew A (12)
|
FGFG |
56.13 |
58.50 |
2.37 |
| 2 |
Carranza, Joseph D (12)
|
FLFL |
58.57 |
59.00 |
0.43 |
| 3 |
Reynolds, Ryan W (12)
|
FLFL |
58.32 |
1:00.57 |
2.25 |
| 4 |
Custer, Liam C (12)
|
FLFL |
1:00.79 |
1:01.30 |
0.51 |
| 5 |
Christensen, Andrew J (12)
|
FLFL |
59.56 |
1:01.82 |
2.26 |
| 6 |
Pujula, Charles (12)
|
FGFG |
1:03.84 |
1:03.15 |
-0.69 |
| 7 |
O'Neill, Jackson G (12)
|
FLFL |
1:03.11 |
1:03.57 |
0.46 |
| 8 |
Smith, Noah J (11)
|
FGFG |
1:04.96 |
1:03.62 |
-1.34 |
| 9 |
Edmund, Mason D (12)
|
FLFL |
1:02.03 |
1:04.24 |
2.21 |
| 10 |
Smiley, Dylan (12)
|
FGFG |
1:07.23 |
1:04.44 |
-2.79 |
| 11 |
Proscia, Christian G (12)
|
FGFG |
1:02.05 |
1:04.51 |
2.46 |
| 12 |
Finster, Ryan T (12)
|
FLFL |
1:06.07 |
1:04.88 |
-1.19 |
| 13 |
Mateus, Alejandro E (11)
|
FGFG |
1:03.46 |
1:05.27 |
1.81 |
| 14 |
Sciscente, Jake E (12)
|
FLFL |
1:02.16 |
1:06.03 |
3.87 |
| 15 |
Chen, Eddy W (12)
|
FGFG |
1:04.70 |
1:06.05 |
1.35 |
| 16 |
Chavez, David J (12)
|
FGFG |
1:04.37 |
1:06.23 |
1.86 |
| 17 |
Baker, Brent T (12)
|
FLFL |
1:06.67 |
1:07.19 |
0.52 |
| 18 |
Politis, Gregory C (11)
|
FLFL |
1:11.72 |
1:11.45 |
-0.27 |