| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Yatchenko, Brendan G (10)
|
AMANSC |
41.71 |
41.78 |
0.07 |
| 2 |
Young, Kevin G (10)
|
AMGCY |
41.33 |
43.01 |
1.68 |
| 3 |
Morrell, Andrew M (10)
|
AMANSC |
46.87 |
43.42 |
-3.45 |
| 4 |
Olinger, Phallen (7)
|
AMUN-R |
47.35 |
45.82 |
-1.53 |
| 5 |
Semenov, Ethan B (10)
|
AMJCCS |
47.35 |
46.04 |
-1.31 |
| 6 |
Yatchenko, Nickolai G (10)
|
AMANSC |
49.79 |
47.94 |
-1.85 |
| 7 |
O'Keefe, Logan E (9)
|
AMANSC |
48.72 |
48.77 |
0.05 |
| 8 |
Schomaker, Greyson J (9)
|
AMNHA |
52.66 |
49.68 |
-2.98 |
| 9 |
Mihalovich, Alexander C (10)
|
AMPTSC |
52.52 |
50.00 |
-2.52 |
| 10 |
Filer, Evan M (9)
|
AMPTSC |
56.19 |
51.02 |
-5.17 |
| 11 |
Watkins, Reece A (9)
|
AMANSC |
52.72 |
51.28 |
-1.44 |
| 12 |
Kinross, Jack P (10)
|
AMANSC |
52.05 |
52.90 |
0.85 |
| 13 |
Kunkle, John M (10)
|
AMPTAC |
55.31 |
53.70 |
-1.61 |
| 14 |
Unadkat, Nikhil J (9)
|
AMJCCS |
56.19 |
54.15 |
-2.04 |
| 15 |
Dassanaike, Kaveen J (9)
|
AMANSC |
1:01.67 |
55.46 |
-6.21 |
| 16 |
Cohen, Parker T (9)
|
AMFAST |
1:04.99 |
58.62 |
-6.37 |
| 17 |
Feinberg, Idan W (8)
|
AMJCCS |
1:15.19 |
1:02.22 |
-12.97 |
| 18 |
Yushkevich, Yahor (8)
|
AMPRA |
56.80 |
1:05.35 |
8.55 |
| 19 |
Schachner, Simon G (10)
|
AMJCCS |
1:05.19 |
1:08.42 |
3.23 |
| 20 |
Hejmo, Achilleas K (8)
|
PVHACC |
1:45.50 |
1:16.07 |
-29.43 |
| 21 |
Tom, Kieran J (8)
|
AMFAST |
1:22.99 |
1:18.78 |
-4.21 |
|
Disque, Maxime S (10)
|
AMSASC |
1:01.11 |
DQ |
- |
|
Hastings, Albert H (9)
|
AMSASC |
1:02.82 |
DQ |
- |
|
Pappas, Alex N (9)
|
AMWHAT |
57.69 |
DQ |
- |
|
Wills, Steven M (8)
|
AMSHAQ |
1:27.24 |
NS |
- |