Swimmer profile
Bill Chang
Male15-16Santa Clara Swim ClubPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
50 Free LCM
44.90
41.88
▲ 3.02
100 Free LCM
1:40.25
1:31.74
▲ 8.51
200 Free LCM
3:45.05
—
50 Back LCM
—
50.61
50 Breast LCM
1:00.13
58.60
▲ 1.53
100 Breast LCM
—
2:02.67
50 Fly LCM
59.08
50.52
▲ 8.56
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.