Swimmer profile
Derek Dykman
Male17-18Stingrays Swim TeamVA · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2014–15
2015–16
2016–17
2017–18
2018–19
2020–21
2021–22
2023–24
2024–25
50 Free LCM
42.61
37.44
▲ 5.17
32.27
▲ 5.17
30.80
▲ 1.47
30.03
▲ 0.77
27.32
▲ 2.71
26.15
▲ 1.17
25.10
▲ 1.05
24.11
▲ 0.99
100 Free LCM
1:45.65
1:25.76
▲ 19.89
1:12.20
▲ 13.56
1:09.94
▲ 2.26
1:07.47
▲ 2.47
1:00.25
▲ 7.22
57.97
▲ 2.28
55.13
▲ 2.84
52.96
▲ 2.17
200 Free LCM
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3:08.62
2:43.95
▲ 24.67
2:46.17
▼ 2.22
2:28.42
▲ 17.75
2:15.14
▲ 13.28
2:07.80
▲ 7.34
2:04.00
▲ 3.80
2:03.10
▲ 0.90
400 Free LCM
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—
5:53.84
—
5:31.64
▲ 22.20
4:46.75
▲ 44.89
5:13.05
▼ 26.30
4:41.53
▲ 31.52
4:31.01
▲ 10.52
800 Free LCM
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—
—
—
—
9:51.65
9:23.65
▲ 28.00
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—
1500 Free LCM
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—
—
—
—
19:26.85
18:41.77
▲ 45.08
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50 Back LCM
54.08
45.46
▲ 8.62
39.04
▲ 6.42
36.53
▲ 2.51
34.98
▲ 1.55
34.14
▲ 0.84
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—
27.93
▲ 6.21
100 Back LCM
1:52.87
1:38.53
▲ 14.34
1:28.07
▲ 10.46
1:23.03
▲ 5.04
1:23.35
▼ 0.32
1:15.07
▲ 8.28
1:08.62
▲ 6.45
1:03.82
▲ 4.80
1:02.84
▲ 0.98
200 Back LCM
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—
—
3:04.07
2:55.02
▲ 9.05
2:41.81
▲ 13.21
2:29.57
▲ 12.24
2:33.17
▼ 3.60
2:20.83
▲ 12.34
50 Breast LCM
1:04.13
48.83
▲ 15.30
45.61
▲ 3.22
42.94
▲ 2.67
40.57
▲ 2.37
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—
—
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100 Breast LCM
2:16.49
1:48.16
▲ 28.33
1:39.80
▲ 8.36
1:36.49
▲ 3.31
1:32.54
▲ 3.95
1:30.68
▲ 1.86
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1:13.23
▲ 17.45
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200 Breast LCM
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—
—
3:32.61
3:19.68
▲ 12.93
—
3:09.32
▲ 10.36
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50 Fly LCM
53.63
41.78
▲ 11.85
32.77
▲ 9.01
32.48
▲ 0.29
31.84
▲ 0.64
30.20
▲ 1.64
29.24
▲ 0.96
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25.52
▲ 3.72
100 Fly LCM
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1:54.72
1:19.32
▲ 35.40
1:13.05
▲ 6.27
1:16.82
▼ 3.77
1:08.46
▲ 8.36
1:02.97
▲ 5.49
58.04
▲ 4.93
56.18
▲ 1.86
200 Fly LCM
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—
—
—
2:54.59
2:39.28
▲ 15.31
2:27.39
▲ 11.89
2:22.62
▲ 4.77
2:23.48
▼ 0.86
200 IM LCM
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3:00.71
2:59.12
▲ 1.59
2:49.31
▲ 9.81
2:33.55
▲ 15.76
2:33.84
▼ 0.29
2:18.35
▲ 15.49
2:19.21
▼ 0.86
400 IM LCM
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—
—
—
—
5:36.89
5:37.85
▼ 0.96
5:12.69
▲ 25.16
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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.