| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Van Lier, Jasper (16)
|
GUSSAN |
1:01.02 |
1:02.40 |
1.38 |
| 2 |
Tannenberger, Matthew W (16)
|
GUSSAN |
1:00.87 |
1:02.60 |
1.73 |
| 3 |
Siemer, Spencer F (17)
|
GULSST |
1:00.76 |
1:03.12 |
2.36 |
| 4 |
Dickerson, Thad D (17)
|
GUUN-S |
1:02.96 |
1:04.87 |
1.91 |
| 5 |
Garza, Vincent (15)
|
GUSSAN |
1:01.97 |
1:06.16 |
4.19 |
| 6 |
Ward, Owen M (15)
|
GUSSAN |
1:06.79 |
1:10.12 |
3.33 |
| 7 |
Isaacs, Tanner C (16)
|
GUSSAN |
|
1:11.44 |
- |
| 8 |
McMahon, John D (16)
|
GUTYES |
|
1:11.46 |
- |
| 9 |
Ward, Eli T (16)
|
GUSSAN |
1:13.33 |
1:14.75 |
1.42 |
| 10 |
Robertson, Jonathon L (16)
|
GUSSAN |
1:13.28 |
1:15.93 |
2.65 |
| 11 |
Kelly, Michael R (16)
|
GUSSAN |
|
1:17.19 |
- |
| 12 |
Saria, Noah D (15)
|
GUTYES |
|
1:19.07 |
- |