| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
McGovern, Colin M (9)
|
NIUNAC |
49.72 |
49.91 |
0.19 |
| 2 |
Mahar, Jordan J (9)
|
NICVSC |
51.44 |
50.77 |
-0.67 |
| 3 |
Cappellett, Harrison J (9)
|
NIUNAC |
55.33 |
50.96 |
-4.37 |
| 4 |
Kneer, Patrick R (9)
|
NIUNAC |
|
51.73 |
- |
| 4 |
Williams, Mason F (9)
|
NIUNAC |
55.68 |
51.73 |
-3.95 |
| 6 |
Scott, Dominic E (10)
|
NICVSC |
|
52.16 |
- |
| 7 |
Brackel, Alex F (9)
|
NIWAAC |
53.51 |
53.43 |
-0.08 |
| 8 |
Hicks, Ethan M (9)
|
NIWAAC |
55.06 |
59.05 |
3.99 |
| 9 |
Hollandt, Anderson E (10)
|
NIUNAC |
|
59.30 |
- |
| 10 |
Tarbox, Nathan J (10)
|
NIUNAC |
56.97 |
1:04.42 |
7.45 |
| 11 |
Armstrong, Liam M (10)
|
NIUNAC |
1:09.82 |
1:08.37 |
-1.45 |
| 12 |
Nale, Joshua D (9)
|
NIUNAC |
1:04.83 |
1:13.96 |
9.13 |
|
Mistler, Bruce M (9)
|
ADSIDN |
48.18 |
DQ |
- |
|
Diamantakos, Lukas D (10)
|
NIUNAC |
|
DQ |
- |
|
Carter, Kaleb J (10)
|
NICVSC |
59.08 |
NS |
- |