| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tonna, Joseph (12)
|
MRTS |
1:02.66 |
1:02.89 |
0.23 |
| 2 |
Benin, Michael H (12)
|
MRTS |
1:08.75 |
1:08.91 |
0.16 |
| 3 |
Jang, Michael (12)
|
MRTS |
1:09.02 |
1:09.86 |
0.84 |
| 4 |
Smith, Sebastian L (12)
|
MRRFAC |
1:10.05 |
1:10.31 |
0.26 |
| 5 |
Anzalone, Brian (12)
|
MRTS |
1:10.65 |
1:10.32 |
-0.33 |
| 6 |
McManus, Matthew G (11)
|
MRTS |
1:13.07 |
1:12.03 |
-1.04 |
| 7 |
Simpfenderfer, Michael D (11)
|
MRRFAC |
1:12.44 |
1:14.20 |
1.76 |
| 8 |
Brown, Connor K (11)
|
MRTS |
1:17.23 |
1:15.04 |
-2.19 |
| 9 |
Guiteau, Alexandre C (12)
|
MRTS |
1:18.57 |
1:17.51 |
-1.06 |
| 10 |
Agrawal, Alok (12)
|
MRTS |
1:19.14 |
1:18.03 |
-1.11 |
| 11 |
Wu, Patrick (12)
|
MRRFAC |
1:24.10 |
1:22.41 |
-1.69 |
| 12 |
Richter, Isaac (11)
|
MRLBA |
1:26.89 |
1:23.04 |
-3.85 |
| 13 |
Oakes, Tomek J (11)
|
MRPBAC |
1:39.34 |
1:30.30 |
-9.04 |
|
Samsonov, Luka A (12)
|
MRNBS |
1:17.74 |
DQ |
- |