Swimmer profile
Derek Johnson
Male17-18Swim Streamline at NorthamptonGU · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
44.01
36.94
▲ 7.07
31.64
▲ 5.30
29.10
▲ 2.54
27.93
▲ 1.17
27.47
▲ 0.46
26.26
▲ 1.21
26.08
▲ 0.18
24.73
▲ 1.35
23.44
▲ 1.29
22.87
▲ 0.57
100 Free SCY
1:33.06
1:24.43
▲ 8.63
1:10.90
▲ 13.53
1:05.14
▲ 5.76
1:02.21
▲ 2.93
1:00.66
▲ 1.55
59.74
▲ 0.92
57.61
▲ 2.13
52.55
▲ 5.06
51.67
▲ 0.88
48.64
▲ 3.03
200 Free SCY
—
3:18.92
—
2:25.38
▲ 53.54
2:15.59
▲ 9.79
2:15.38
▲ 0.21
2:10.68
▲ 4.70
2:09.83
▲ 0.85
1:57.29
▲ 12.54
1:50.70
▲ 6.59
1:44.35
▲ 6.35
500 Free SCY
—
—
—
6:42.29
6:01.72
▲ 40.57
—
5:40.80
▲ 20.92
5:38.73
▲ 2.07
5:11.47
▲ 27.26
4:53.51
▲ 17.96
4:49.12
▲ 4.39
1000 Free SCY
—
—
—
—
—
—
—
—
—
10:28.32
10:16.95
▲ 11.37
1650 Free SCY
—
—
—
—
—
—
—
—
—
17:13.36
17:29.11
▼ 15.75
50 Back SCY
54.23
43.33
▲ 10.90
35.69
▲ 7.64
31.88
▲ 3.81
31.19
▲ 0.69
31.84
▼ 0.65
29.92
▲ 1.92
—
—
—
26.28
▲ 3.64
100 Back SCY
—
—
1:20.03
1:10.24
▲ 9.79
1:10.72
▼ 0.48
1:09.42
▲ 1.30
1:07.75
▲ 1.67
1:05.16
▲ 2.59
1:02.34
▲ 2.82
1:03.02
▼ 0.68
56.75
▲ 6.27
200 Back SCY
—
—
—
—
—
2:35.03
2:29.78
▲ 5.25
2:21.24
▲ 8.54
2:13.43
▲ 7.81
2:16.15
▼ 2.72
2:01.70
▲ 14.45
50 Breast SCY
1:01.86
52.50
▲ 9.36
46.49
▲ 6.01
41.15
▲ 5.34
39.41
▲ 1.74
40.50
▼ 1.09
—
—
—
—
—
100 Breast SCY
—
1:56.94
—
1:30.02
▲ 26.92
1:26.73
▲ 3.29
—
1:26.62
▲ 0.11
1:23.97
▲ 2.65
—
—
—
200 Breast SCY
—
—
—
—
—
3:07.43
—
2:58.46
▲ 8.97
—
—
—
50 Fly SCY
—
39.05
32.24
▲ 6.81
30.91
▲ 1.33
30.65
▲ 0.26
30.72
▼ 0.07
28.93
▲ 1.79
29.26
▼ 0.33
—
26.42
▲ 2.84
24.97
▲ 1.45
100 Fly SCY
—
1:33.95
1:18.18
▲ 15.77
1:08.68
▲ 9.50
1:07.64
▲ 1.04
1:06.98
▲ 0.66
1:04.32
▲ 2.66
1:01.42
▲ 2.90
58.57
▲ 2.85
55.13
▲ 3.44
52.49
▲ 2.64
200 Fly SCY
—
—
—
—
—
2:23.64
2:20.87
▲ 2.77
2:15.30
▲ 5.57
2:08.58
▲ 6.72
2:01.49
▲ 7.09
1:55.91
▲ 5.58
100 IM SCY
1:46.70
1:33.60
▲ 13.10
1:24.89
▲ 8.71
1:13.80
▲ 11.09
1:11.46
▲ 2.34
1:15.38
▼ 3.92
1:07.33
▲ 8.05
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—
—
—
200 IM SCY
—
3:27.31
2:58.42
▲ 28.89
2:41.77
▲ 16.65
2:36.62
▲ 5.15
2:37.36
▼ 0.74
2:25.12
▲ 12.24
2:31.35
▼ 6.23
2:16.79
▲ 14.56
2:14.02
▲ 2.77
2:08.87
▲ 5.15
400 IM SCY
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—
—
—
—
5:40.27
—
4:54.30
▲ 45.97
4:47.29
▲ 7.01
4:38.88
▲ 8.41
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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.