Swimmer profile
David Kohan
MaleOpen / SeniorRISE Aquatic ClubIL · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2011–12
2012–13
2013–14
2014–15
2015–16
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free LCM
47.18
42.14
▲ 5.04
36.42
▲ 5.72
33.85
▲ 2.57
31.99
▲ 1.86
31.65
▲ 0.34
30.81
▲ 0.84
27.05
▲ 3.76
24.62
▲ 2.43
24.50
▲ 0.12
25.44
▼ 0.94
24.20
▲ 1.24
26.01
▼ 1.81
100 Free LCM
1:48.97
1:38.08
▲ 10.89
1:20.60
▲ 17.48
1:15.63
▲ 4.97
1:09.72
▲ 5.91
1:07.43
▲ 2.29
1:05.37
▲ 2.06
1:00.99
▲ 4.38
54.82
▲ 6.17
54.47
▲ 0.35
55.28
▼ 0.81
53.53
▲ 1.75
—
200 Free LCM
—
3:33.52
2:52.17
▲ 41.35
2:36.78
▲ 15.39
2:34.96
▲ 1.82
2:26.44
▲ 8.52
2:23.48
▲ 2.96
2:14.56
▲ 8.92
2:05.85
▲ 8.71
2:04.05
▲ 1.80
—
—
2:03.18
▲ 0.87
400 Free LCM
—
—
—
—
5:22.28
5:13.91
▲ 8.37
—
—
4:37.26
▲ 36.65
4:33.97
▲ 3.29
—
—
—
50 Back LCM
1:01.93
53.91
▲ 8.02
46.73
▲ 7.18
41.93
▲ 4.80
39.87
▲ 2.06
36.31
▲ 3.56
36.41
▼ 0.10
—
—
—
—
—
29.25
▲ 7.16
100 Back LCM
2:05.36
1:55.29
▲ 10.07
1:32.19
▲ 23.10
1:28.71
▲ 3.48
1:20.35
▲ 8.36
1:17.02
▲ 3.33
1:17.57
▼ 0.55
—
1:05.73
▲ 11.84
1:05.82
▼ 0.09
—
—
—
200 Back LCM
—
—
—
—
—
—
2:50.23
—
—
—
—
—
—
50 Breast LCM
1:02.27
54.88
▲ 7.39
48.85
▲ 6.03
48.45
▲ 0.40
41.85
▲ 6.60
40.06
▲ 1.79
38.68
▲ 1.38
—
—
—
—
—
34.87
▲ 3.81
100 Breast LCM
2:24.10
—
1:45.07
▲ 39.03
1:36.76
▲ 8.31
1:32.13
▲ 4.63
1:29.15
▲ 2.98
1:26.62
▲ 2.53
1:18.17
▲ 8.45
1:12.92
▲ 5.25
1:14.16
▼ 1.24
—
—
—
200 Breast LCM
—
—
—
—
—
3:11.75
3:12.19
▼ 0.44
2:54.00
▲ 18.19
—
2:48.60
▲ 5.40
—
—
—
50 Fly LCM
—
1:07.91
47.46
▲ 20.45
37.25
▲ 10.21
35.75
▲ 1.50
34.59
▲ 1.16
32.53
▲ 2.06
—
—
26.08
▲ 6.45
—
25.62
▲ 0.46
27.28
▼ 1.66
100 Fly LCM
—
—
—
1:34.28
1:26.19
▲ 8.09
1:21.09
▲ 5.10
1:13.40
▲ 7.69
1:11.85
▲ 1.55
59.38
▲ 12.47
57.96
▲ 1.42
1:00.17
▼ 2.21
56.00
▲ 4.17
1:01.76
▼ 5.76
200 IM LCM
—
—
3:25.05
2:56.76
▲ 28.29
2:50.00
▲ 6.76
2:47.62
▲ 2.38
2:43.13
▲ 4.49
2:33.33
▲ 9.80
2:21.54
▲ 11.79
—
2:25.32
▼ 3.78
—
—
400 IM LCM
—
—
—
—
—
—
—
—
—
5:17.50
—
—
—
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.