| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Denlinger, Ethan r (12)
|
NIWAAC |
49.98 |
42.31 |
-7.67 |
| 2 |
Huang, David (12)
|
NIWAAC |
|
43.29 |
- |
| 3 |
McGovern, Patrick F (11)
|
NIUNAC |
43.59 |
43.75 |
0.16 |
| 4 |
Yu, Michael (11)
|
NIKRKN |
44.23 |
46.82 |
2.59 |
| 5 |
Wright, Liam I (12)
|
NIWAAC |
50.86 |
49.45 |
-1.41 |
| 6 |
Lawrence, Owen G (11)
|
NIKVAC |
50.32 |
50.58 |
0.26 |
| 7 |
Albertalli, Cyris F (12)
|
NIKRKN |
38.87 |
55.67 |
16.80 |
| 8 |
Williams, Oscar B (12)
|
NIWAAC |
41.82 |
58.23 |
16.41 |
| 9 |
deForest, Christopher E (12)
|
NIWAAC |
46.30 |
59.18 |
12.88 |
| 10 |
Sackett, Jerrell L (11)
|
NIWAAC |
44.55 |
59.92 |
15.37 |
|
Kaszynski, Marek A (11)
|
NIKVAC |
41.50 |
DQ |
- |
|
Mahonski, Dominick A (12)
|
NIKRKN |
53.13 |
DQ |
- |
|
Cleveland, Matthew J (12)
|
NIUNAC |
47.93 |
DQ |
- |
|
Larson, Hayden W (11)
|
NIWAAC |
59.94 |
NS |
- |