1
Charles
Sorensen
57.30
14
AA Min
AAA: 55.99 (+1.31s | 2.3%)
Columbia Aquatics Association
12/04/2025
2025 Sport Fair Winter Classic
50 Back
27.84
27.84
100 Back
29.46
57.30
100 Back
57.30
2
Kellan
Otten
58.64
14
A Min
AA: 58.59 (+0.05s | 0.1%)
Columbia Aquatics Association
12/04/2025
2025 Sport Fair Winter Classic
50 Back
28.46
28.46
100 Back
30.18
58.64
100 Back
58.64
3
Haruki
Ohtani
1:00.90
14
A Min
AA: 58.59 (+2.31s | 3.8%)
Columbia Aquatics Association
12/04/2025
2025 Sport Fair Winter Classic
50 Back
29.42
29.42
100 Back
31.48
1:00.90
100 Back
1:00.90
4
William
Xie
1:01.31
14
BB Min
A: 1:01.09 (+0.22s | 0.4%)
Columbia Aquatics Association
01/03/2026
2026 ASTS Invitational
50 Back
29.82
29.82
100 Back
31.49
1:01.31
100 Back
1:01.31
5
Liam
Flores
1:01.57
14
BB Min
A: 1:01.09 (+0.48s | 0.8%)
Columbia Aquatics Association
11/07/2025
2025 Marlins Invitational
50 Back
29.87
29.87
100 Back
31.70
1:01.57
100 Back
1:01.57
6
Damian
Nelson
1:01.70
13
BB Min
A: 1:01.09 (+0.61s | 1.0%)
Columbia Aquatics Association
12/04/2025
2025 Sport Fair Winter Classic
50 Back
30.08
30.08
100 Back
31.62
1:01.70
100 Back
1:01.70
7
Samuel
Lim
1:03.87
14
BB Min
A: 1:01.09 (+2.78s | 4.4%)
Columbia Aquatics Association
12/05/2025
2025 Christmas Championships
50 Back
30.95
30.95
100 Back
32.92
1:03.87
100 Back
1:03.87
8
John
Keller
1:05.00
14
BB Min
A: 1:01.09 (+3.91s | 6.0%)
Columbia Aquatics Association
01/03/2026
2026 ASTS Invitational
50 Back
31.28
31.28
100 Back
33.72
1:05.00
100 Back
1:05.00
9
Elliot
Wang
1:05.36
13
BB Min
A: 1:01.09 (+4.27s | 6.5%)
Columbia Aquatics Association
11/07/2025
2025 Marlins Invitational
50 Back
32.60
32.60
100 Back
32.76
1:05.36
100 Back
1:05.36
10
Lukas
Fernandez
1:07.27
14
B Min
BB: 1:06.19 (+1.08s | 1.6%)
Columbia Aquatics Association
12/05/2025
2025 Christmas Championships
50 Back
32.06
32.06
100 Back
35.21
1:07.27
100 Back
1:07.27
11
Hassan
Adawy
1:07.36
13
B Min
BB: 1:06.19 (+1.17s | 1.7%)
Columbia Aquatics Association
11/07/2025
2025 Marlins Invitational
50 Back
32.99
32.99
100 Back
34.37
1:07.36
100 Back
1:07.36
12
Charles
Wang
1:08.34
13
B Min
BB: 1:06.19 (+2.15s | 3.1%)
Columbia Aquatics Association
09/26/2025
RAC First Splash 2025
50 Back
33.08
33.08
100 Back
35.26
1:08.34
100 Back
1:08.34
13
Aaron
Ding
1:08.53
13
B Min
BB: 1:06.19 (+2.34s | 3.4%)
Columbia Aquatics Association
12/05/2025
2025 Christmas Championships
50 Back
33.49
33.49
100 Back
35.04
1:08.53
100 Back
1:08.53
14
Gabriel
Davila
1:11.97
13
B: 1:11.29 (+0.68s | 0.9%)
Columbia Aquatics Association
11/07/2025
2025 CAC 5th Annual Zachary Spain Memorial Me
50 Back
35.33
35.33
100 Back
36.64
1:11.97
100 Back
1:11.97
15
Samuel
Greene
1:13.26
14
B: 1:11.29 (+1.97s | 2.7%)
Columbia Aquatics Association
01/03/2026
2026 ASTS Invitational
50 Back
35.60
35.60
100 Back
37.66
1:13.26
100 Back
1:13.26
16
Zein
Bazzi
1:14.39
14
B: 1:11.29 (+3.10s | 4.2%)
Columbia Aquatics Association
11/07/2025
2025 Marlins Invitational
50 Back
36.54
36.54
100 Back
37.85
1:14.39
100 Back
1:14.39
17
Jacob
Hernandez
1:14.82
13
B: 1:11.29 (+3.53s | 4.7%)
Columbia Aquatics Association
12/04/2025
2025 Sport Fair Winter Classic
50 Back
37.16
37.16
100 Back
37.66
1:14.82
100 Back
1:14.82
18
Cole
Van Leer
1:16.11
14
B: 1:11.29 (+4.82s | 6.3%)
Columbia Aquatics Association
11/07/2025
2025 CAC 5th Annual Zachary Spain Memorial Me
50 Back
37.26
37.26
100 Back
38.85
1:16.11
100 Back
1:16.11
19
Theodore
Tokarsky
1:16.58
13
B: 1:11.29 (+5.29s | 6.9%)
Columbia Aquatics Association
09/26/2025
RAC First Splash 2025
50 Back
37.90
37.90
100 Back
38.68
1:16.58
100 Back
1:16.58
20
Alec
Sun
1:18.11
14
B: 1:11.29 (+6.82s | 8.7%)
Columbia Aquatics Association
12/05/2025
2025 Christmas Championships
50 Back
37.56
37.56
100 Back
40.55
1:18.11
100 Back
1:18.11
21
Alexander
Matkovic
1:18.36
14
B: 1:11.29 (+7.07s | 9.0%)
Columbia Aquatics Association
01/03/2026
2026 ASTS Invitational
50 Back
38.30
38.30
100 Back
40.06
1:18.36
100 Back
1:18.36
22
Joshua
Skaanland-Smith
1:18.81
14
B: 1:11.29 (+7.52s | 9.5%)
Columbia Aquatics Association
12/05/2025
2025 Christmas Championships
50 Back
39.18
39.18
100 Back
39.63
1:18.81
100 Back
1:18.81
23
Ashton
Zhang
1:19.16
13
B: 1:11.29 (+7.87s | 9.9%)
Columbia Aquatics Association
12/05/2025
2025 Christmas Championships
50 Back
38.57
38.57
100 Back
40.59
1:19.16
100 Back
1:19.16
24
Owen
Curtis
1:19.23
14
B: 1:11.29 (+7.94s | 10.0%)
Columbia Aquatics Association
12/05/2025
2025 Christmas Championships
50 Back
37.81
37.81
100 Back
41.42
1:19.23
100 Back
1:19.23
25
Brian
Ding
1:19.71
13
B: 1:11.29 (+8.42s | 10.6%)
Columbia Aquatics Association
11/07/2025
2025 CAC 5th Annual Zachary Spain Memorial Me
50 Back
39.68
39.68
100 Back
40.03
1:19.71
100 Back
1:19.71
26
Carter
Jackson
1:23.29
14
B: 1:11.29 (+12.00s | 14.4%)
Columbia Aquatics Association
01/03/2026
2026 ASTS Invitational
50 Back
40.46
40.46
100 Back
42.83
1:23.29
100 Back
1:23.29
27
Andrew
Ryan
1:23.42
13
B: 1:11.29 (+12.13s | 14.5%)
Columbia Aquatics Association
01/03/2026
2026 ASTS Invitational
50 Back
40.74
40.74
100 Back
42.68
1:23.42
100 Back
1:23.42
28
Aaron
Teitelbaum
1:30.71
13
B: 1:11.29 (+19.42s | 21.4%)
Columbia Aquatics Association
12/05/2025
2025 Christmas Championships
50 Back
42.89
42.89
100 Back
47.82
1:30.71
100 Back
1:30.71
29
Pranav
Kittane
1:31.65
13
B: 1:11.29 (+20.36s | 22.2%)
Columbia Aquatics Association
12/05/2025
2025 Christmas Championships
50 Back
44.35
44.35
100 Back
47.30
1:31.65
100 Back
1:31.65
30
Kaan
Demirekler
1:31.77
14
B: 1:11.29 (+20.48s | 22.3%)
Columbia Aquatics Association
01/03/2026
2026 ASTS Invitational
50 Back
44.56
44.56
100 Back
47.21
1:31.77
100 Back
1:31.77
31
Cameron
Finch
1:37.20
13
B: 1:11.29 (+25.91s | 26.7%)
Columbia Aquatics Association
12/05/2025
2025 Christmas Championships
50 Back
46.69
46.69
100 Back
50.51
1:37.20
100 Back
1:37.20
32
Daniel
Lin
1:37.21
14
B: 1:11.29 (+25.92s | 26.7%)
Columbia Aquatics Association
12/05/2025
2025 Christmas Championships
50 Back
44.97
44.97
100 Back
52.24
1:37.21
100 Back
1:37.21
33
Bankie
Mansaray
1:43.37
14
B: 1:11.29 (+32.08s | 31.0%)
Columbia Aquatics Association
12/21/2025
The Grinch Stole My Times (9 O BB Slowe) 2025