Swimmer profile
Leon Kocherovsky
Male17-18Charles River AquaticsNE · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2014–15
2015–16
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
57.91
42.25
▲ 15.66
40.60
▲ 1.65
37.51
▲ 3.09
33.95
▲ 3.56
29.30
▲ 4.65
26.58
▲ 2.72
25.16
▲ 1.42
25.42
▼ 0.26
26.04
▼ 0.62
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100 Free LCM
—
1:41.72
1:32.95
▲ 8.77
1:28.96
▲ 3.99
1:15.36
▲ 13.60
—
59.52
▲ 15.84
58.02
▲ 1.50
56.93
▲ 1.09
1:00.03
▼ 3.10
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200 Free LCM
—
3:41.07
3:29.64
▲ 11.43
3:15.01
▲ 14.63
2:50.02
▲ 24.99
—
2:18.45
▲ 31.57
2:16.10
▲ 2.35
2:14.78
▲ 1.32
2:22.45
▼ 7.67
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400 Free LCM
—
—
—
—
5:57.43
—
—
4:48.40
▲ 69.03
4:46.11
▲ 2.29
4:56.44
▼ 10.33
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50 Back LCM
—
48.61
45.20
▲ 3.41
43.02
▲ 2.18
39.57
▲ 3.45
33.88
▲ 5.69
—
30.70
▲ 3.18
—
—
—
100 Back LCM
—
1:54.55
1:48.88
▲ 5.67
1:37.55
▲ 11.33
1:27.89
▲ 9.66
1:13.39
▲ 14.50
1:06.52
▲ 6.87
1:05.48
▲ 1.04
1:03.17
▲ 2.31
1:04.87
▼ 1.70
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200 Back LCM
—
—
—
—
—
—
2:31.65
2:35.71
▼ 4.06
—
—
—
50 Breast LCM
—
56.31
56.30
▲ 0.01
47.95
▲ 8.35
—
37.83
▲ 10.12
—
33.04
▲ 4.79
—
—
31.34
▲ 1.70
100 Breast LCM
—
2:03.29
1:55.73
▲ 7.56
1:53.98
▲ 1.75
1:41.05
▲ 12.93
1:24.30
▲ 16.75
1:14.97
▲ 9.33
1:14.27
▲ 0.70
1:10.09
▲ 4.18
1:17.71
▼ 7.62
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200 Breast LCM
—
—
—
—
—
—
2:57.82
2:52.77
▲ 5.05
2:46.68
▲ 6.09
2:56.72
▼ 10.04
—
50 Fly LCM
—
55.03
45.70
▲ 9.33
43.39
▲ 2.31
—
32.41
▲ 10.98
—
28.34
▲ 4.07
27.44
▲ 0.90
—
28.34
▼ 0.90
100 Fly LCM
—
—
1:57.54
1:54.74
▲ 2.80
1:31.98
▲ 22.76
1:13.08
▲ 18.90
1:02.96
▲ 10.12
1:01.39
▲ 1.57
1:01.25
▲ 0.14
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—
200 IM LCM
—
—
3:51.29
3:31.33
▲ 19.96
3:07.16
▲ 24.17
2:43.44
▲ 23.72
2:33.58
▲ 9.86
2:25.46
▲ 8.12
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—
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400 IM LCM
—
—
—
—
6:54.71
—
—
5:17.64
▲ 97.07
5:13.08
▲ 4.56
—
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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.