| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Halls, Ryan A (9)
|
MRNFS |
41.69 |
41.24 |
-0.45 |
| 2 |
Topping, Henry J (9)
|
MRYFD |
|
41.86 |
- |
| 3 |
Pearsall, Milo J (9)
|
MRPATS |
40.32 |
42.30 |
1.98 |
| 4 |
White, Ronan W (9)
|
MRPATS |
40.35 |
42.37 |
2.02 |
| 5 |
Edell, Truman E (9)
|
MRYFD |
48.19 |
47.11 |
-1.08 |
| 6 |
Shah, Nikhil M (10)
|
MRYFD |
49.81 |
47.24 |
-2.57 |
| 7 |
Cheng, Russell A (10)
|
MRFAST |
47.97 |
47.37 |
-0.60 |
| 8 |
Hovet, Christopher F (9)
|
MRYFD |
49.36 |
47.70 |
-1.66 |
| 9 |
Keimweiss, Charlie E (10)
|
MRYFD |
|
48.54 |
- |
| 10 |
Roberts, Shane W (8)
|
MRNFS |
55.50 |
49.00 |
-6.50 |
| 11 |
McKenzie, Jeremy J (8)
|
MRNFS |
48.46 |
49.78 |
1.32 |
| 12 |
Mehta, Arav a (10)
|
MRYFD |
56.28 |
49.93 |
-6.35 |
| 13 |
Durant, Kyle J (8)
|
MRKBM |
50.44 |
51.66 |
1.22 |
| 14 |
Salemi, Rowan S (10)
|
MRYFD |
52.41 |
52.00 |
-0.41 |
| 15 |
Moody, Paul C (8)
|
MRPATS |
|
53.78 |
- |
| 16 |
Fass, Liam G (9)
|
MRSS |
48.21 |
54.73 |
6.52 |
| 17 |
Gandhi, Krish S (10)
|
MRYFD |
49.66 |
55.09 |
5.43 |
| 18 |
Sullivan, Matthew F (9)
|
MRPATS |
|
59.12 |
- |
| 19 |
Kiriyanthan, Anthony (10)
|
MRFAST |
1:02.98 |
59.75 |
-3.23 |
| 20 |
Richards, Aaron J (10)
|
MRNFS |
1:12.73 |
1:06.84 |
-5.89 |
| 21 |
Topping, Robert D (7)
|
MRYFD |
|
1:21.84 |
- |
|
Troiani, Nicholas J (8)
|
MRFAST |
1:14.80 |
NS |
- |
|
Quezada, Louis (9)
|
MRFAST |
1:05.45 |
NS |
- |