| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Zapler, Ezra N (10)
|
NCECA |
37.89 |
37.16 |
-0.73 |
| 2 |
Hilldale, Wesley P (10)
|
NCRSA |
43.69 |
44.21 |
0.52 |
| 3 |
Schaper, Calvin O (10)
|
NCCAT |
44.18 |
44.54 |
0.36 |
| 4 |
Mihaly, Lysander S (9)
|
NCCAT |
43.86 |
45.03 |
1.17 |
| 5 |
Hulbig, Marcus T (10)
|
NCRSA |
|
46.90 |
- |
| 6 |
Bullard, Cameron E (10)
|
NCECA |
53.15 |
47.33 |
-5.82 |
| 7 |
Bullard, Andrew W (10)
|
NCECA |
54.07 |
47.43 |
-6.64 |
| 8 |
Drake, Liam K (9)
|
NCRSA |
1:02.29 |
48.39 |
-13.90 |
| 9 |
Carnahan, Declan A (10)
|
NCHAC |
45.99 |
49.32 |
3.33 |
| 10 |
Kim, Joshua R (10)
|
NCCAT |
51.03 |
49.50 |
-1.53 |
| 11 |
Hulbig, Gavin K (8)
|
NCRSA |
|
52.07 |
- |
| 12 |
Seawell, Christopher L (9)
|
NCHAC |
56.43 |
55.73 |
-0.70 |
| 13 |
Billard, John H (10)
|
NCHAC |
1:05.99 |
58.05 |
-7.94 |
| 14 |
Brennan, Jacob M (9)
|
NCCAT |
|
58.60 |
- |
| 15 |
Whaley, Charles S (10)
|
NCCAT |
1:02.07 |
1:08.63 |
6.56 |
|
Whaley, Jackson M (9)
|
NCCAT |
50.99 |
DQ |
- |
|
Ramirez-Strange, Sebastian T (9)
|
NCRSA |
55.76 |
DQ |
- |
|
Marlow, Nicolas V (9)
|
NCECA |
|
NS |
- |
|
Strong, Mylen I (9)
|
NCRSA |
|
NS |
- |