| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lezi, Daniel L (10)
|
MRGAEL |
48.18 |
46.53 |
-1.65 |
| 2 |
Hoffmann, Alexander L (9)
|
MRWEST |
47.71 |
46.80 |
-0.91 |
| 3 |
Gjertsen, Owen G (10)
|
MRWEST |
45.48 |
47.18 |
1.70 |
| 4 |
Kaplan, Evan K (10)
|
MRWEST |
47.16 |
49.08 |
1.92 |
| 5 |
Erkal, Erez (10)
|
MRBAD |
49.70 |
49.69 |
-0.01 |
| 6 |
Insdorf, Joshua C (10)
|
MRMWDA |
55.97 |
50.52 |
-5.45 |
| 7 |
Kakimi, Nori (10)
|
MRWEST |
1:03.24 |
51.45 |
-11.79 |
| 8 |
Moody, Paul C (10)
|
MRPATS |
51.42 |
52.65 |
1.23 |
| 9 |
Marra, Anthony J (9)
|
MRLBA |
1:02.60 |
53.48 |
-9.12 |
| 10 |
Mooney, Jack C (10)
|
MRPATS |
NT |
53.63 |
53.63 |
| 11 |
Cunningham, Alistair J (10)
|
MRPATS |
NT |
55.86 |
55.86 |
| 12 |
Sorenson, Paulo S (9)
|
MRWEST |
51.36 |
56.42 |
5.06 |
| 13 |
Flaherty, Sean P (9)
|
MRPATS |
59.58 |
56.65 |
-2.93 |
| 14 |
Barthelmes, Edward L (10)
|
MRPATS |
NT |
57.26 |
57.26 |
| 15 |
Paggi, Zachary A (10)
|
MRLBA |
55.58 |
57.81 |
2.23 |
| 16 |
Bach, Christopher (10)
|
MRGAEL |
NT |
57.99 |
57.99 |
| 17 |
Behrend, James C (9)
|
MRWEST |
56.37 |
58.01 |
1.64 |
| 18 |
Kravets-Wehby, Jake A (9)
|
MRBKR |
1:01.68 |
58.96 |
-2.72 |
| 19 |
Wu, Michael (10)
|
MRBAD |
NT |
1:01.00 |
61.00 |
| 20 |
DEFEO, DRACO F (10)
|
MRASAP |
59.54 |
1:02.16 |
2.62 |
| 21 |
O'Shea, Aiden P (9)
|
MRLBA |
1:10.00 |
1:03.34 |
-6.66 |
| 22 |
Shaw, Jaden K (9)
|
MRMWDA |
1:14.51 |
1:03.55 |
-10.96 |
| 23 |
Grove, Aiden E (10)
|
MRPATS |
1:15.27 |
1:06.80 |
-8.47 |
| 24 |
Burgos, Santiago M (9)
|
MRLBA |
1:00.00 |
1:10.80 |
10.80 |
| 25 |
Gabutan, Dakila M (10)
|
MRBKR |
1:12.15 |
1:15.76 |
3.61 |
| 26 |
Chavez, Carlos A (10)
|
MRAPEX |
1:08.74 |
1:15.80 |
7.06 |
| 27 |
Cooper, Myles T (9)
|
MRBAD |
NT |
DQ |
- |
| 28 |
Persaud, Michael B (10)
|
MRLBA |
1:05.00 |
NS |
- |