Swimmer profile
William Zhang
Male13-14Arena Club AquaticsMD · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
38.12
34.99
▲ 3.13
31.61
▲ 3.38
29.67
▲ 1.94
28.47
▲ 1.20
100 Free LCM
1:26.81
1:17.73
▲ 9.08
1:09.53
▲ 8.20
1:06.67
▲ 2.86
1:03.22
▲ 3.45
200 Free LCM
3:12.26
2:51.67
▲ 20.59
2:27.53
▲ 24.14
2:24.23
▲ 3.30
—
400 Free LCM
—
—
5:13.87
5:05.12
▲ 8.75
—
50 Back LCM
47.57
40.32
▲ 7.25
37.47
▲ 2.85
—
32.44
▲ 5.03
100 Back LCM
1:49.23
1:25.33
▲ 23.90
1:16.05
▲ 9.28
1:11.19
▲ 4.86
1:08.54
▲ 2.65
200 Back LCM
—
2:58.72
2:42.18
▲ 16.54
2:33.22
▲ 8.96
2:29.04
▲ 4.18
50 Breast LCM
54.60
48.58
▲ 6.02
43.02
▲ 5.56
36.88
▲ 6.14
37.68
▼ 0.80
100 Breast LCM
1:59.86
1:45.86
▲ 14.00
1:31.55
▲ 14.31
1:24.56
▲ 6.99
1:22.92
▲ 1.64
200 Breast LCM
—
3:40.47
3:28.32
▲ 12.15
3:02.07
▲ 26.25
3:17.64
▼ 15.57
50 Fly LCM
52.33
43.79
▲ 8.54
33.07
▲ 10.72
31.14
▲ 1.93
30.96
▲ 0.18
100 Fly LCM
—
1:47.32
1:17.07
▲ 30.25
1:14.70
▲ 2.37
1:09.62
▲ 5.08
200 Fly LCM
—
—
2:55.37
2:54.61
▲ 0.76
3:04.01
▼ 9.40
200 IM LCM
—
3:10.87
2:43.63
▲ 27.24
2:40.76
▲ 2.87
2:31.74
▲ 9.02
400 IM LCM
—
—
5:47.31
5:33.26
▲ 14.05
5:41.49
▼ 8.23
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.