Swimmer profile
William Duan
Male15-16Central Ohio AquaticsOH · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
43.75
37.60
▲ 6.15
33.59
▲ 4.01
26.45
▲ 7.14
25.18
▲ 1.27
22.78
▲ 2.40
22.21
▲ 0.57
22.33
▼ 0.12
100 Free SCY
1:40.21
1:24.67
▲ 15.54
1:19.35
▲ 5.32
1:01.84
▲ 17.51
57.35
▲ 4.49
51.85
▲ 5.50
52.81
▼ 0.96
49.63
▲ 3.18
200 Free SCY
—
—
—
—
2:11.33
—
—
—
50 Back SCY
55.58
46.67
▲ 8.91
43.05
▲ 3.62
35.78
▲ 7.27
—
—
—
—
100 Back SCY
—
—
1:31.98
—
1:07.52
▲ 24.46
1:06.51
▲ 1.01
—
—
50 Breast SCY
—
46.47
42.18
▲ 4.29
32.02
▲ 10.16
—
—
27.73
▲ 4.29
27.21
▲ 0.52
100 Breast SCY
—
1:41.76
1:27.54
▲ 14.22
1:10.76
▲ 16.78
1:04.23
▲ 6.53
59.56
▲ 4.67
57.88
▲ 1.68
58.48
▼ 0.60
200 Breast SCY
—
—
—
2:38.90
2:21.75
▲ 17.15
2:12.80
▲ 8.95
2:16.01
▼ 3.21
—
50 Fly SCY
—
46.05
42.73
▲ 3.32
29.93
▲ 12.80
—
—
—
—
100 Fly SCY
—
—
—
—
1:03.71
—
—
—
100 IM SCY
—
1:32.95
1:24.56
▲ 8.39
1:09.16
▲ 15.40
—
—
—
—
200 IM SCY
—
—
—
—
2:20.09
—
—
—
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.