| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Moran, Aiden T (9)
|
NICLSC |
39.43 |
38.17 |
-1.26 |
| 2 |
Attuwaybi, Hamza B (10)
|
NIVELO |
38.67 |
38.86 |
0.19 |
| 3 |
Anderson, Max (9)
|
NIVELO |
47.63 |
45.54 |
-2.09 |
| 4 |
Matteson, Cyrus L (10)
|
NISTAR |
50.43 |
46.75 |
-3.68 |
| 5 |
Lorenz, Charles D (10)
|
NITTSC |
48.47 |
50.11 |
1.64 |
| 6 |
Coen, Mitchell R (9)
|
NISTAR |
45.79 |
50.41 |
4.62 |
| 7 |
Young-Mandiak, Atticus F (10)
|
NISTAR |
51.15 |
51.47 |
0.32 |
| 8 |
Voit, Nicholas (10)
|
NIAMTS |
|
54.05 |
- |
| 9 |
Nienhaus, Matthew (9)
|
NISHAQ |
57.42 |
57.06 |
-0.36 |
| 10 |
Wang, Michael (9)
|
NIVELO |
58.78 |
57.45 |
-1.33 |
| 11 |
Reimann, Nathan S (9)
|
NISTAR |
1:02.49 |
59.35 |
-3.14 |
| 12 |
Shamova, Joshua A (9)
|
NICLSC |
|
1:01.99 |
- |
| 13 |
Kendall, Alex M (10)
|
NITTSC |
1:03.84 |
1:02.90 |
-0.94 |
| 14 |
Crowther, Finn L (10)
|
NIVELO |
|
1:04.06 |
- |
| 15 |
DellaMea, Nicholas A (9)
|
NIVELO |
1:09.06 |
1:08.40 |
-0.66 |
| 16 |
Marthi, Pranav C (10)
|
BORC |
1:12.00 |
1:08.84 |
-3.16 |
| 17 |
Kneeland, Noah J (9)
|
NIVELO |
|
1:09.84 |
- |
| 18 |
Shepler, Jack (10)
|
NIVELO |
1:08.94 |
1:10.53 |
1.59 |
| 19 |
DellaMea, Marco V (9)
|
NIVELO |
1:09.87 |
1:12.01 |
2.14 |
| 20 |
Reukauf, Nathan A (9)
|
NISTAR |
1:16.23 |
1:12.47 |
-3.76 |
|
Moldenhauer, Thomas C (9)
|
NIEAST |
57.54 |
DNF |
-57.54 |
|
Rogers, Joseph T (9)
|
NISTAR |
|
DQ |
- |
|
Elshamy, Yassine (9)
|
BORC |
|
DQ |
- |
|
Hediger, Kobe K (10)
|
NIUN-E |
43.26 |
DQ |
- |
|
Olsen, Owen T (10)
|
NIAMTS |
|
NS |
- |