Swimmer profile
Chunchang He
Male13-14Irvine NovaquaticsSCS · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
47.29
39.84
▲ 7.45
34.03
▲ 5.81
32.68
▲ 1.35
32.16
▲ 0.52
29.76
▲ 2.40
28.21
▲ 1.55
26.31
▲ 1.90
100 Free LCM
—
1:24.68
1:15.64
▲ 9.04
1:11.29
▲ 4.35
1:07.02
▲ 4.27
1:04.50
▲ 2.52
59.41
▲ 5.09
56.28
▲ 3.13
200 Free LCM
—
—
—
2:30.31
2:22.94
▲ 7.37
2:16.83
▲ 6.11
2:04.26
▲ 12.57
2:02.06
▲ 2.20
400 Free LCM
—
—
—
5:18.23
4:52.89
▲ 25.34
4:40.89
▲ 12.00
4:19.52
▲ 21.37
4:12.00
▲ 7.52
800 Free LCM
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—
—
—
—
9:48.59
8:53.39
▲ 55.20
8:41.40
▲ 11.99
1500 Free LCM
—
—
—
—
—
—
—
16:42.92
50 Back LCM
53.22
45.61
▲ 7.61
52.00
▼ 6.39
39.38
▲ 12.62
35.80
▲ 3.58
32.88
▲ 2.92
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—
100 Back LCM
—
—
—
1:25.62
1:16.64
▲ 8.98
1:11.66
▲ 4.98
1:08.74
▲ 2.92
1:03.78
▲ 4.96
200 Back LCM
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—
—
—
—
2:36.44
2:22.66
▲ 13.78
2:13.98
▲ 8.68
50 Breast LCM
—
56.68
48.80
▲ 7.88
47.10
▲ 1.70
43.67
▲ 3.43
41.65
▲ 2.02
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—
100 Breast LCM
—
—
1:43.54
1:38.99
▲ 4.55
1:31.98
▲ 7.01
1:29.17
▲ 2.81
1:18.07
▲ 11.10
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200 Breast LCM
—
—
—
—
—
3:05.54
—
2:39.22
▲ 26.32
50 Fly LCM
—
42.25
36.38
▲ 5.87
35.38
▲ 1.00
33.14
▲ 2.24
32.17
▲ 0.97
—
27.80
▲ 4.37
100 Fly LCM
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—
1:22.01
1:16.52
▲ 5.49
1:12.12
▲ 4.40
1:07.36
▲ 4.76
1:03.30
▲ 4.06
59.91
▲ 3.39
200 Fly LCM
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—
—
—
—
2:29.72
2:18.05
▲ 11.67
2:14.43
▲ 3.62
200 IM LCM
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—
3:03.17
2:51.53
▲ 11.64
2:38.76
▲ 12.77
2:31.69
▲ 7.07
2:21.53
▲ 10.16
2:14.81
▲ 6.72
400 IM LCM
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—
—
—
—
5:22.75
4:51.27
▲ 31.48
4:41.56
▲ 9.71
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.