Swimmer profile
Willi Chang
Male13-14JCC WavesSCS · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
—
28.28
31.51
▼ 3.23
100 Free LCM
—
1:12.28
—
50 Back LCM
35.21
35.24
▼ 0.03
34.91
▲ 0.33
100 Back LCM
1:16.38
1:22.27
▼ 5.89
1:16.71
▲ 5.56
50 Fly LCM
35.97
33.67
▲ 2.30
32.73
▲ 0.94
100 Fly LCM
1:26.23
—
—
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.