| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Borden, Jonas O (10)
|
NIBAAC |
43.34 |
42.65 |
-0.69 |
| 1 |
Pierce, Camden G (10)
|
AMMIST |
44.53 |
42.65 |
-1.88 |
| 3 |
Bouton, Robert A (10)
|
NIBAAC |
44.75 |
44.12 |
-0.63 |
| 4 |
Fan, Justin F (10)
|
NICLSC |
45.44 |
45.78 |
0.34 |
| 5 |
Hayter, Daniel J (10)
|
NISHAQ |
45.57 |
47.05 |
1.48 |
| 6 |
Coen, Jack D (10)
|
NISTAR |
51.37 |
47.72 |
-3.65 |
| 7 |
Amer, Sirajedeen F (10)
|
NIVELO |
48.07 |
47.94 |
-0.13 |
| 8 |
LaJeunesse, Peter IV F (10)
|
NIVELO |
50.58 |
49.60 |
-0.98 |
| 9 |
Bhat, Umair M (10)
|
NIBAAC |
56.44 |
49.96 |
-6.48 |
| 10 |
Lloyd, Nathan A (10)
|
NITTSC |
50.80 |
50.64 |
-0.16 |
| 11 |
Matteson, Cyrus L (9)
|
NISTAR |
48.01 |
51.52 |
3.51 |
| 12 |
Coen, Liam C (10)
|
NISTAR |
56.43 |
54.23 |
-2.20 |
| 13 |
Woodford, Derek (10)
|
NISHAQ |
1:10.03 |
58.17 |
-11.86 |
| 14 |
Meyer, Noah (10)
|
NIVELO |
59.00 |
58.91 |
-0.09 |
| 15 |
Meinhold, Robert J (9)
|
NITTSC |
|
59.61 |
- |
| 16 |
Reigelman, Owen C (10)
|
NITTSC |
|
1:10.56 |
- |
| 17 |
Goldstein, Cole M (9)
|
NISTAR |
|
1:11.19 |
- |
|
Gavigan, Carter A (9)
|
NITTSC |
|
DQ |
- |
|
Porterfield, Alexander J (9)
|
NITTSC |
|
DQ |
- |