Swimmer profile
Bill Chang
Male15-16Santa Clara Swim ClubPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2022–23
2024–25
2025–26
50 Free SCY
42.77
37.58
▲ 5.19
35.54
▲ 2.04
28.29
▲ 7.25
24.82
▲ 3.47
23.55
▲ 1.27
100 Free SCY
1:46.88
1:25.85
▲ 21.03
1:19.69
▲ 6.16
1:01.85
▲ 17.84
53.39
▲ 8.46
52.01
▲ 1.38
200 Free SCY
—
—
2:51.90
—
—
—
500 Free SCY
—
—
7:29.52
6:17.91
▲ 71.61
—
—
50 Back SCY
53.04
47.13
▲ 5.91
41.56
▲ 5.57
—
—
—
50 Breast SCY
1:01.35
51.74
▲ 9.61
47.47
▲ 4.27
—
30.68
▲ 16.79
28.77
▲ 1.91
100 Breast SCY
—
1:50.20
1:42.97
▲ 7.23
1:21.04
▲ 21.93
1:09.13
▲ 11.91
1:01.40
▲ 7.73
50 Fly SCY
—
41.01
40.05
▲ 0.96
31.61
▲ 8.44
28.18
▲ 3.43
26.70
▲ 1.48
100 Fly SCY
—
—
1:37.17
1:11.45
▲ 25.72
1:04.91
▲ 6.54
—
100 IM SCY
1:59.52
1:34.01
▲ 25.51
1:27.29
▲ 6.72
1:10.95
▲ 16.34
—
—
200 IM SCY
—
—
3:11.37
2:38.23
▲ 33.14
2:26.09
▲ 12.14
2:09.66
▲ 16.43
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.