| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gorman, Tupper C (8)
|
MIEGRA |
41.07 |
37.91 |
-3.16 |
| 2 |
Brown, Emmett F (8)
|
MIOLY |
45.72 |
39.71 |
-6.01 |
| 3 |
Feenstra, Bo R (8)
|
MIWMS |
38.18 |
39.88 |
1.70 |
| 4 |
Ledesma, Oscar A (8)
|
MIMLA |
40.07 |
41.30 |
1.23 |
| 5 |
Cooper, Noah E (8)
|
MIOLY |
|
41.45 |
- |
| 6 |
Bowyer, William J (8)
|
MIWOSC |
43.31 |
41.53 |
-1.78 |
| 7 |
Collins, James T (8)
|
MIEGRA |
46.43 |
41.98 |
-4.45 |
| 8 |
Koldenhoven, Elliott G (8)
|
MIEGRA |
|
42.67 |
- |
| 9 |
Reifinger, Nash S (7)
|
MIEGRA |
45.62 |
44.60 |
-1.02 |
| 10 |
Tufford-McKey, Emmett C (7)
|
MIMLA |
51.36 |
49.10 |
-2.26 |
| 11 |
Andrzejewski, Blaine M (7)
|
MIEGRA |
44.37 |
50.55 |
6.18 |
| 12 |
Highstreet, Shay B (8)
|
MIMLA |
55.16 |
51.84 |
-3.32 |
| 13 |
Levesque, Asher J (8)
|
MIMLA |
48.75 |
52.38 |
3.63 |