Swimmer profile
Duncan Chou
Male17-18Tualatin Hills Swim ClubOR · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
36.32
33.13
▲ 3.19
32.45
▲ 0.68
31.52
▲ 0.93
31.44
▲ 0.08
100 Free LCM
1:27.54
1:16.71
▲ 10.83
1:12.50
▲ 4.21
1:10.13
▲ 2.37
1:11.48
▼ 1.35
200 Free LCM
3:18.00
2:47.13
▲ 30.87
2:44.33
▲ 2.80
2:42.99
▲ 1.34
2:38.66
▲ 4.33
400 Free LCM
6:49.30
—
5:50.61
▲ 58.69
—
—
50 Back LCM
—
—
—
38.02
—
100 Back LCM
1:38.48
1:27.88
▲ 10.60
1:20.70
▲ 7.18
1:20.29
▲ 0.41
1:20.10
▲ 0.19
200 Back LCM
—
3:03.74
—
2:50.72
▲ 13.02
2:51.45
▼ 0.73
50 Breast LCM
—
37.50
35.13
▲ 2.37
33.80
▲ 1.33
34.24
▼ 0.44
100 Breast LCM
1:34.00
1:20.36
▲ 13.64
1:16.78
▲ 3.58
1:15.97
▲ 0.81
1:15.52
▲ 0.45
200 Breast LCM
3:28.34
2:56.15
▲ 32.19
2:47.46
▲ 8.69
2:52.07
▼ 4.61
2:52.67
▼ 0.60
50 Fly LCM
—
—
—
35.29
—
100 Fly LCM
1:53.80
1:33.62
▲ 20.18
1:27.27
▲ 6.35
1:23.94
▲ 3.33
—
200 IM LCM
3:30.54
2:59.12
▲ 31.42
2:53.09
▲ 6.03
2:49.19
▲ 3.90
2:49.17
▲ 0.02
400 IM LCM
—
6:28.48
—
6:18.57
▲ 9.91
—
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.