Swimmer profile
Chunchang He
Male13-14Irvine NovaquaticsSCS · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
46.43
35.25
▲ 11.18
32.49
▲ 2.76
31.44
▲ 1.05
30.05
▲ 1.39
28.72
▲ 1.33
26.67
▲ 2.05
24.30
▲ 2.37
23.31
▲ 0.99
100 Free SCY
—
1:15.41
1:11.08
▲ 4.33
—
1:02.85
▲ 8.23
1:00.71
▲ 2.14
58.51
▲ 2.20
53.24
▲ 5.27
50.13
▲ 3.11
200 Free SCY
—
—
—
—
2:13.97
2:08.14
▲ 5.83
2:02.68
▲ 5.46
1:53.49
▲ 9.19
1:47.39
▲ 6.10
500 Free SCY
—
—
—
—
5:56.51
5:34.91
▲ 21.60
5:23.72
▲ 11.19
5:02.87
▲ 20.85
4:38.68
▲ 24.19
1000 Free SCY
—
—
—
—
—
—
11:22.51
10:43.86
▲ 38.65
9:31.98
▲ 71.88
50 Back SCY
55.52
41.67
▲ 13.85
37.97
▲ 3.70
35.24
▲ 2.73
35.13
▲ 0.11
31.31
▲ 3.82
29.77
▲ 1.54
27.98
▲ 1.79
25.66
▲ 2.32
100 Back SCY
—
—
—
—
1:14.71
1:06.44
▲ 8.27
1:04.98
▲ 1.46
58.72
▲ 6.26
54.91
▲ 3.81
200 Back SCY
—
—
—
—
—
—
2:16.92
2:06.91
▲ 10.01
1:57.22
▲ 9.69
50 Breast SCY
—
48.99
44.83
▲ 4.16
—
41.31
▲ 3.52
39.47
▲ 1.84
36.22
▲ 3.25
32.11
▲ 4.11
29.59
▲ 2.52
100 Breast SCY
—
—
—
—
1:26.51
1:23.16
▲ 3.35
1:16.03
▲ 7.13
1:10.93
▲ 5.10
1:04.22
▲ 6.71
200 Breast SCY
—
—
—
—
—
—
2:44.37
2:32.40
▲ 11.97
2:15.99
▲ 16.41
50 Fly SCY
—
38.87
35.01
▲ 3.86
33.89
▲ 1.12
30.72
▲ 3.17
30.02
▲ 0.70
28.77
▲ 1.25
26.21
▲ 2.56
25.10
▲ 1.11
100 Fly SCY
—
—
—
—
1:07.40
1:04.94
▲ 2.46
1:02.54
▲ 2.40
57.48
▲ 5.06
54.42
▲ 3.06
200 Fly SCY
—
—
—
—
—
—
2:14.56
2:06.50
▲ 8.06
1:56.72
▲ 9.78
100 IM SCY
—
1:27.82
1:19.50
▲ 8.32
—
1:11.60
▲ 7.90
1:07.98
▲ 3.62
1:03.85
▲ 4.13
59.52
▲ 4.33
57.73
▲ 1.79
200 IM SCY
—
—
—
—
2:30.38
2:22.52
▲ 7.86
2:17.19
▲ 5.33
2:07.10
▲ 10.09
1:59.20
▲ 7.90
400 IM SCY
—
—
—
—
—
—
4:48.18
4:28.39
▲ 19.79
4:09.06
▲ 19.33
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.