Swimmer profile
William Zhang
Male13-14Arena Club AquaticsMD · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
—
46.16
36.98
▲ 9.18
34.83
▲ 2.15
32.12
▲ 2.71
28.73
▲ 3.39
26.11
▲ 2.62
25.12
▲ 0.99
100 Free SCY
—
1:50.68
1:28.75
▲ 21.93
1:13.83
▲ 14.92
1:15.98
▼ 2.15
1:01.53
▲ 14.45
58.44
▲ 3.09
55.97
▲ 2.47
200 Free SCY
—
—
3:20.56
3:12.50
▲ 8.06
2:47.16
▲ 25.34
2:10.48
▲ 36.68
2:07.66
▲ 2.82
2:01.75
▲ 5.91
500 Free SCY
—
—
—
—
7:33.79
6:33.73
▲ 60.06
5:42.53
▲ 51.20
5:28.24
▲ 14.29
1000 Free SCY
—
—
—
—
—
—
11:57.57
—
1650 Free SCY
—
—
—
—
—
—
19:38.17
—
50 Back SCY
1:06.23
51.80
▲ 14.43
47.57
▲ 4.23
40.74
▲ 6.83
37.11
▲ 3.63
33.64
▲ 3.47
30.90
▲ 2.74
27.34
▲ 3.56
100 Back SCY
—
—
1:44.84
1:24.87
▲ 19.97
1:18.71
▲ 6.16
1:08.09
▲ 10.62
1:06.00
▲ 2.09
58.83
▲ 7.17
200 Back SCY
—
—
—
—
2:55.30
2:25.07
▲ 30.23
2:17.82
▲ 7.25
2:06.72
▲ 11.10
50 Breast SCY
—
59.29
49.72
▲ 9.57
48.02
▲ 1.70
42.58
▲ 5.44
39.02
▲ 3.56
34.27
▲ 4.75
32.22
▲ 2.05
100 Breast SCY
—
—
1:49.37
1:44.56
▲ 4.81
1:39.42
▲ 5.14
1:27.65
▲ 11.77
1:15.04
▲ 12.61
1:11.91
▲ 3.13
200 Breast SCY
—
—
—
—
3:28.99
3:19.01
▲ 9.98
2:45.21
▲ 33.80
2:36.37
▲ 8.84
50 Fly SCY
—
1:03.80
49.33
▲ 14.47
45.14
▲ 4.19
40.88
▲ 4.26
32.67
▲ 8.21
28.39
▲ 4.28
26.56
▲ 1.83
100 Fly SCY
—
—
2:02.12
1:54.08
▲ 8.04
—
1:13.77
▲ 40.31
1:05.83
▲ 7.94
58.08
▲ 7.75
200 Fly SCY
—
—
—
—
—
2:42.34
2:29.59
▲ 12.75
2:13.99
▲ 15.60
100 IM SCY
—
1:53.96
1:42.08
▲ 11.88
1:28.68
▲ 13.40
1:23.66
▲ 5.02
1:09.58
▲ 14.08
1:04.01
▲ 5.57
1:02.30
▲ 1.71
200 IM SCY
—
—
3:55.52
3:42.31
▲ 13.21
3:00.57
▲ 41.74
2:28.77
▲ 31.80
2:20.92
▲ 7.85
2:12.51
▲ 8.41
400 IM SCY
—
—
—
—
—
5:04.52
4:55.73
▲ 8.79
4:44.20
▲ 11.53
Improvement<0.5s0.5–2s2–5s5s+Slower
📊 All Attempts by Event
Chronological history of every recorded swim. Click an event to expand its attempt list.