Swimmer profile
William Duan
Male15-16Central Ohio AquaticsOH · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2024–25
50 Free LCM
—
—
25.70
200 Free LCM
2:50.88
—
—
100 Back LCM
1:30.08
—
—
50 Breast LCM
—
—
29.99
100 Breast LCM
1:24.56
1:11.21
▲ 13.35
1:08.59
▲ 2.62
200 Breast LCM
—
2:35.96
2:40.43
▼ 4.47
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.