| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
DeLisio, Tyson K (12)
|
ADTAC |
57.45 |
58.13 |
0.68 |
| 2 |
Wang, Alex (11)
|
ADDELM |
1:09.97 |
1:11.14 |
1.17 |
| 3 |
Bu, Alan (12)
|
ADDELM |
1:11.09 |
1:11.83 |
0.74 |
| 4 |
Moran, Charles R (12)
|
ADJJSC |
1:10.94 |
1:15.09 |
4.15 |
| 5 |
Witting, Liam T (11)
|
ADDELM |
1:12.40 |
1:15.46 |
3.06 |
| 6 |
Mistler, Bruce M (11)
|
ADSIDN |
1:15.27 |
1:15.57 |
0.30 |
| 7 |
Splonskowski, Brendan J (12)
|
ADJJSC |
1:12.53 |
1:16.95 |
4.42 |
| 8 |
Ring, Dylan G (11)
|
ADTAC |
1:15.69 |
1:18.09 |
2.40 |
| 9 |
Jenkins, Levi R (11)
|
ADBSPA |
1:21.23 |
1:23.14 |
1.91 |
| 10 |
Waite, Liam B (12)
|
ADJJSC |
1:21.16 |
1:31.25 |
10.09 |
| 11 |
Ball, Turner W (11)
|
ADTAC |
1:27.92 |
1:35.02 |
7.10 |
| 12 |
Raso, Jack B (11)
|
ADBSPA |
1:39.86 |
1:42.41 |
2.55 |
| 13 |
Raghubar, Alexander J (11)
|
ADJJSC |
1:44.44 |
1:43.10 |
-1.34 |
| 14 |
Fisk, Collin (11)
|
ADJJSC |
1:53.19 |
2:01.65 |
8.46 |
|
Kross, Owen J (12)
|
ADDELM |
|
NS |
- |