1
Ethan
Locke
1:08.62
10
AAAA Min
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
33.43
33.43
100 Back
35.19
1:08.62
100 Back
1:08.62
2
Nicholas
Liu
1:13.34
9
AA Min
AAA: 1:12.49 (+0.85s | 1.2%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
35.99
35.99
100 Back
37.35
1:13.34
100 Back
1:13.34
3
Sebastian
Guevara
1:16.54
10
A Min
AA: 1:16.09 (+0.45s | 0.6%)
Alto Swim Club
03/29/2025
Alto Rock The Blocks Invitational
50 Back
38.12
38.12
100 Back
38.42
1:16.54
100 Back
1:16.54
4
Martin
Decotigny
1:16.99
10
A Min
AA: 1:16.09 (+0.90s | 1.2%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
36.71
36.71
100 Back
40.28
1:16.99
100 Back
1:16.99
5
Jason
Ye
1:17.78
10
A Min
AA: 1:16.09 (+1.69s | 2.2%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
37.44
37.44
100 Back
40.34
1:17.78
100 Back
1:17.78
6
Johnathan
Wang
1:20.37
9
BB Min
A: 1:19.59 (+0.78s | 1.0%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
38.41
38.41
100 Back
41.96
1:20.37
100 Back
1:20.37
7
Ethan
Wang
1:20.61
9
BB Min
A: 1:19.59 (+1.02s | 1.3%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
39.92
39.92
100 Back
40.69
1:20.61
100 Back
1:20.61
8
Hei
Chan
1:21.94
10
BB Min
A: 1:19.59 (+2.35s | 2.9%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
39.11
39.11
100 Back
42.83
1:21.94
100 Back
1:21.94
9
Aaron
Kuusela
1:23.08
10
BB Min
A: 1:19.59 (+3.49s | 4.2%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
40.50
40.50
100 Back
42.58
1:23.08
100 Back
1:23.08
10
Ethan
Wang
1:23.67
8
BB Min
A: 1:19.59 (+4.08s | 4.9%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
40.74
40.74
100 Back
42.93
1:23.67
100 Back
1:23.67
11
Ishaan
Karunanayake
1:24.15
10
BB Min
A: 1:19.59 (+4.56s | 5.4%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
42.11
42.11
100 Back
42.04
1:24.15
100 Back
1:24.15
12
Jamie
Pan
1:24.32
10
BB Min
A: 1:19.59 (+4.73s | 5.6%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
40.38
40.38
100 Back
43.94
1:24.32
100 Back
1:24.32
13
Ahmet
Okyay
1:25.04
10
BB Min
A: 1:19.59 (+5.45s | 6.4%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
40.85
40.85
100 Back
44.19
1:25.04
100 Back
1:25.04
14
Finn
Scott
1:27.05
9
BB Min
A: 1:19.59 (+7.46s | 8.6%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
42.85
42.85
100 Back
44.20
1:27.05
100 Back
1:27.05
15
Daniel
Platon
1:27.85
10
BB Min
A: 1:19.59 (+8.26s | 9.4%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
43.75
43.75
100 Back
44.10
1:27.85
100 Back
1:27.85
16
Leo
Liao
1:27.86
9
BB Min
A: 1:19.59 (+8.27s | 9.4%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
41.72
41.72
100 Back
46.14
1:27.86
100 Back
1:27.86
17
Daniel
Reschke
1:28.28
9
BB Min
A: 1:19.59 (+8.69s | 9.8%)
Alto Swim Club
02/22/2025
De Anza C B A+
18
Arwin
Safaee
1:30.11
10
B Min
BB: 1:30.09 (+0.02s | 0.0%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
43.48
43.48
100 Back
46.63
1:30.11
100 Back
1:30.11
19
Oliver
Maa
1:31.17
10
B Min
BB: 1:30.09 (+1.08s | 1.2%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
44.44
44.44
100 Back
46.73
1:31.17
100 Back
1:31.17
20
Luke
Lim
1:31.27
10
B Min
BB: 1:30.09 (+1.18s | 1.3%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
45.03
45.03
100 Back
46.24
1:31.27
100 Back
1:31.27
21
Oliver
Liu
1:32.13
10
B Min
BB: 1:30.09 (+2.04s | 2.2%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
44.51
44.51
100 Back
47.62
1:32.13
100 Back
1:32.13
22
Saul
Guevara
1:32.96
8
B Min
BB: 1:30.09 (+2.87s | 3.1%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
45.66
45.66
100 Back
47.30
1:32.96
100 Back
1:32.96
23
Zhouhan
Yang
1:33.24
10
B Min
BB: 1:30.09 (+3.15s | 3.4%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
47.19
47.19
100 Back
46.05
1:33.24
100 Back
1:33.24
24
Gavin
Yang
1:33.44
9
B Min
BB: 1:30.09 (+3.35s | 3.6%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
43.96
43.96
100 Back
49.48
1:33.44
100 Back
1:33.44
25
Jacob
Chen
1:33.49
9
B Min
BB: 1:30.09 (+3.40s | 3.6%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
45.95
45.95
100 Back
47.54
1:33.49
100 Back
1:33.49
26
Arthur
Cahoy
1:33.77
9
B Min
BB: 1:30.09 (+3.68s | 3.9%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
45.83
45.83
100 Back
47.94
1:33.77
100 Back
1:33.77
27
Jay
Dai
1:35.43
9
B Min
BB: 1:30.09 (+5.34s | 5.6%)
Alto Swim Club
03/29/2025
Alto Rock The Blocks Invitational
50 Back
46.72
46.72
100 Back
48.71
1:35.43
100 Back
1:35.43
28
Zhencheng
Xu
1:36.30
9
B Min
BB: 1:30.09 (+6.21s | 6.4%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
47.46
47.46
100 Back
48.84
1:36.30
100 Back
1:36.30
29
Kai
Chen
1:37.36
10
B Min
BB: 1:30.09 (+7.27s | 7.5%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
47.80
47.80
100 Back
49.56
1:37.36
100 Back
1:37.36
30
Lehai
Li
1:37.76
9
B Min
BB: 1:30.09 (+7.67s | 7.8%)
Alto Swim Club
02/01/2025
Alto Swim Club Valentine Classic
50 Back
48.68
48.68
100 Back
49.08
1:37.76
100 Back
1:37.76
31
Nathan
Hou
1:39.49
9
B Min
BB: 1:30.09 (+9.40s | 9.4%)
Alto Swim Club
11/09/2024
Alto Go The Distance
50 Back
47.67
47.67
100 Back
51.82
1:39.49
100 Back
1:39.49
32
Noah
Chiu
1:39.76
10
B Min
BB: 1:30.09 (+9.67s | 9.7%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
47.55
47.55
100 Back
52.21
1:39.76
100 Back
1:39.76
33
Damon
Shao
1:41.61
9
B: 1:40.69 (+0.92s | 0.9%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
49.30
49.30
100 Back
52.31
1:41.61
100 Back
1:41.61
34
Elliott
Lee Chan Kam
1:41.74
9
B: 1:40.69 (+1.05s | 1.0%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
49.08
49.08
100 Back
52.66
1:41.74
100 Back
1:41.74
35
Hanchen
Guo-Li
1:41.92
9
B: 1:40.69 (+1.23s | 1.2%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
1:01.34
1:01.34
100 Back
40.58
1:41.92
100 Back
1:41.92
36
Jasper
Nath
1:42.52
10
B: 1:40.69 (+1.83s | 1.8%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
49.95
49.95
100 Back
52.57
1:42.52
100 Back
1:42.52
37
Bruce
Zhang
1:42.92
9
B: 1:40.69 (+2.23s | 2.2%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
51.71
51.71
100 Back
51.21
1:42.92
100 Back
1:42.92
38
Aiden
Hu
1:44.15
9
B: 1:40.69 (+3.46s | 3.3%)
Alto Swim Club
11/15/2025
Alto Nov 15 16 Fall Frolic
50 Back
51.49
51.49
100 Back
52.66
1:44.15
100 Back
1:44.15
39
Yichen
Wang
1:44.91
8
B: 1:40.69 (+4.22s | 4.0%)
Alto Swim Club
02/01/2025
Alto Swim Club Valentine Classic
50 Back
50.65
50.65
100 Back
54.26
1:44.91
100 Back
1:44.91
40
Abayan
Prithviraj
1:45.32
10
B: 1:40.69 (+4.63s | 4.4%)
Alto Swim Club
12/06/2025
Alto Dec 6 7 CBA
50 Back
51.95
51.95
100 Back
53.37
1:45.32
100 Back
1:45.32
41
Lucas
Li
1:51.25
7
B: 1:40.69 (+10.56s | 9.5%)
Alto Swim Club
02/22/2025
De Anza C B A+
42
Zaddik
Fan
1:51.95
10
B: 1:40.69 (+11.26s | 10.1%)
Alto Swim Club
12/06/2025
Alto Dec 6 7 CBA
50 Back
52.64
52.64
100 Back
59.31
1:51.95
100 Back
1:51.95
43
Dean
Intakeha
1:54.13
8
B: 1:40.69 (+13.44s | 11.8%)
Alto Swim Club
03/29/2024
Alto Rock The Blocks Invitational
50 Back
54.28
54.28
100 Back
59.85
1:54.13
100 Back
1:54.13
44
Aarav
Mehta
1:55.31
9
B: 1:40.69 (+14.62s | 12.7%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
54.70
54.70
100 Back
1:00.61
1:55.31
100 Back
1:55.31
45
Zhencheng
Xu
1:56.23
8
B: 1:40.69 (+15.54s | 13.4%)
Alto Swim Club
02/22/2025
De Anza C B A+
46
Satya
Gidwani
1:58.77
10
B: 1:40.69 (+18.08s | 15.2%)
Alto Swim Club
12/06/2025
Alto Dec 6 7 CBA
50 Back
58.80
58.80
100 Back
59.97
1:58.77
100 Back
1:58.77
47
Benjamin
Jung
1:59.29
8
B: 1:40.69 (+18.60s | 15.6%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Back
57.55
57.55
100 Back
1:01.74
1:59.29
100 Back
1:59.29
48
Lucas
Gao
2:00.23
10
B: 1:40.69 (+19.54s | 16.3%)
Alto Swim Club
12/06/2025
Alto Dec 6 7 CBA
49
Will
Spahn
2:01.56
8
B: 1:40.69 (+20.87s | 17.2%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50
Harvey
Zhong
2:02.03
10
B: 1:40.69 (+21.34s | 17.5%)
Alto Swim Club
12/06/2025
Alto Dec 6 7 CBA
50 Back
56.41
56.41
100 Back
1:05.61
2:02.02
100 Back
2:02.02