Swimmer profile
Willi Chang
Male13-14JCC WavesSO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free SCY
30.15
26.97
▲ 3.18
27.06
▼ 0.09
100 Free SCY
1:08.33
1:00.25
▲ 8.08
59.75
▲ 0.50
200 Free SCY
—
2:19.55
2:15.66
▲ 3.89
50 Back SCY
33.07
30.96
▲ 2.11
30.54
▲ 0.42
100 Back SCY
1:11.79
1:05.86
▲ 5.93
1:07.08
▼ 1.22
200 Back SCY
—
2:32.81
2:26.36
▲ 6.45
50 Fly SCY
31.13
28.22
▲ 2.91
28.80
▼ 0.58
100 Fly SCY
—
1:16.69
1:05.68
▲ 11.01
100 IM SCY
—
—
1:11.29
200 IM SCY
—
—
2:34.90
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.