Swimmer profile
Ethan Chau
Male17-18Waterloo SwimmingST · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free LCM
34.47
31.41
▲ 3.06
30.03
▲ 1.38
26.58
▲ 3.45
25.15
▲ 1.43
25.14
▲ 0.01
24.91
▲ 0.23
24.47
▲ 0.44
100 Free LCM
1:25.47
1:07.67
▲ 17.80
—
57.65
▲ 10.02
55.19
▲ 2.46
55.22
▼ 0.03
54.13
▲ 1.09
54.71
▼ 0.58
200 Free LCM
3:05.67
2:25.83
▲ 39.84
—
2:05.62
▲ 20.21
2:01.82
▲ 3.80
2:03.06
▼ 1.24
2:03.37
▼ 0.31
2:01.82
▲ 1.55
400 Free LCM
—
5:05.43
—
4:24.24
▲ 41.19
4:26.62
▼ 2.38
4:27.70
▼ 1.08
4:33.81
▼ 6.11
4:33.77
▲ 0.04
800 Free LCM
—
—
—
9:44.44
—
9:47.24
▼ 2.80
—
—
1500 Free LCM
—
—
—
—
18:09.75
18:05.26
▲ 4.49
—
—
50 Back LCM
44.45
36.57
▲ 7.88
—
30.90
▲ 5.67
29.54
▲ 1.36
—
30.24
▼ 0.70
30.71
▼ 0.47
100 Back LCM
1:33.27
1:21.34
▲ 11.93
1:15.07
▲ 6.27
1:05.55
▲ 9.52
1:02.60
▲ 2.95
1:04.25
▼ 1.65
1:04.65
▼ 0.40
1:07.13
▼ 2.48
200 Back LCM
—
2:46.10
—
2:18.17
▲ 27.93
2:17.28
▲ 0.89
2:21.88
▼ 4.60
2:22.91
▼ 1.03
2:27.20
▼ 4.29
50 Breast LCM
57.72
50.05
▲ 7.67
—
—
—
—
—
—
100 Breast LCM
2:01.89
—
1:38.51
▲ 23.38
1:26.05
▲ 12.46
1:22.95
▲ 3.10
1:19.05
▲ 3.90
1:19.83
▼ 0.78
1:23.69
▼ 3.86
200 Breast LCM
—
—
—
—
2:56.66
2:53.40
▲ 3.26
2:55.99
▼ 2.59
2:55.43
▲ 0.56
50 Fly LCM
44.52
38.32
▲ 6.20
—
—
—
—
—
28.81
▲ 9.51
100 Fly LCM
—
1:26.46
—
1:09.70
▲ 16.76
—
1:03.96
▲ 5.74
1:05.56
▼ 1.60
1:03.49
▲ 2.07
200 Fly LCM
—
—
—
2:34.03
2:28.02
▲ 6.01
2:28.13
▼ 0.11
2:22.32
▲ 5.81
2:22.97
▼ 0.65
200 IM LCM
—
2:57.07
—
2:25.23
▲ 31.84
2:25.06
▲ 0.17
2:20.11
▲ 4.95
2:23.72
▼ 3.61
2:24.44
▼ 0.72
400 IM LCM
—
—
—
5:15.69
5:15.05
▲ 0.64
5:08.89
▲ 6.16
5:11.81
▼ 2.92
5:05.24
▲ 6.57
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.