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
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
—
38.75
34.33
▲ 4.42
31.73
▲ 2.60
30.60
▲ 1.13
30.90
▼ 0.30
29.29
▲ 1.61
27.90
▲ 1.39
26.88
▲ 1.02
26.80
▲ 0.08
100 Free LCM
1:48.28
—
1:16.75
▲ 31.53
1:10.82
▲ 5.93
1:07.82
▲ 3.00
1:06.11
▲ 1.71
1:03.81
▲ 2.30
1:01.27
▲ 2.54
57.83
▲ 3.44
56.96
▲ 0.87
200 Free LCM
—
3:18.79
3:05.40
▲ 13.39
2:49.20
▲ 16.20
2:28.92
▲ 20.28
2:20.82
▲ 8.10
2:18.78
▲ 2.04
2:12.70
▲ 6.08
2:03.79
▲ 8.91
2:08.46
▼ 4.67
400 Free LCM
7:28.89
—
—
—
5:16.13
▲ 132.76
5:16.12
▲ 0.01
4:46.38
▲ 29.74
4:38.92
▲ 7.46
4:24.51
▲ 14.41
4:29.50
▼ 4.99
800 Free LCM
—
—
—
—
—
—
—
9:59.00
9:10.28
▲ 48.72
9:20.02
▼ 9.74
1500 Free LCM
—
—
—
—
—
—
—
18:42.00
18:08.21
▲ 33.79
—
50 Back LCM
—
—
38.58
35.41
▲ 3.17
34.26
▲ 1.15
—
—
33.48
▲ 0.78
31.01
▲ 2.47
30.10
▲ 0.91
100 Back LCM
1:53.08
—
1:23.58
▲ 29.50
1:20.02
▲ 3.56
1:19.77
▲ 0.25
1:17.77
▲ 2.00
1:18.87
▼ 1.10
1:12.65
▲ 6.22
1:08.00
▲ 4.65
1:05.41
▲ 2.59
200 Back LCM
—
—
—
2:56.38
2:47.51
▲ 8.87
2:43.41
▲ 4.10
—
2:39.44
▲ 3.97
2:25.73
▲ 13.71
2:23.44
▲ 2.29
50 Breast LCM
1:03.31
—
54.91
▲ 8.40
47.14
▲ 7.77
44.74
▲ 2.40
—
—
—
—
—
100 Breast LCM
—
—
1:58.55
1:46.22
▲ 12.33
1:40.82
▲ 5.40
—
1:35.87
▲ 4.95
—
1:25.24
▲ 10.63
—
200 Breast LCM
—
—
—
—
3:44.01
—
—
—
3:06.11
▲ 37.90
—
50 Fly LCM
—
38.46
36.18
▲ 2.28
34.37
▲ 1.81
34.18
▲ 0.19
—
31.13
▲ 3.05
31.47
▼ 0.34
28.67
▲ 2.80
28.10
▲ 0.57
100 Fly LCM
—
1:30.70
1:22.83
▲ 7.87
1:16.63
▲ 6.20
1:14.18
▲ 2.45
1:12.27
▲ 1.91
1:10.21
▲ 2.06
1:06.36
▲ 3.85
1:01.77
▲ 4.59
1:01.43
▲ 0.34
200 Fly LCM
—
—
—
3:13.51
2:40.37
▲ 33.14
2:41.44
▼ 1.07
2:30.44
▲ 11.00
2:26.06
▲ 4.38
2:14.96
▲ 11.10
2:19.05
▼ 4.09
200 IM LCM
—
—
3:05.84
2:54.63
▲ 11.21
2:51.24
▲ 3.39
2:59.53
▼ 8.29
2:41.94
▲ 17.59
2:33.01
▲ 8.93
2:31.21
▲ 1.80
2:29.63
▲ 1.58
400 IM LCM
—
—
—
—
—
—
—
—
—
5:23.28
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.