Swimmer profile
David Johnston
MaleOpen / SeniorLonghorn AquaticsSCS · WESTERN
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
50 Free LCM
27.96
—
26.51
▲ 1.45
26.03
▲ 0.48
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—
—
—
—
—
100 Free LCM
59.86
59.37
▲ 0.49
58.95
▲ 0.42
55.21
▲ 3.74
—
—
—
—
—
—
200 Free LCM
2:08.24
2:06.54
▲ 1.70
2:01.49
▲ 5.05
1:56.51
▲ 4.98
1:53.03
▲ 3.48
1:52.67
▲ 0.36
—
—
1:49.70
▲ 2.97
1:51.35
▼ 1.65
400 Free LCM
4:24.63
4:25.18
▼ 0.55
4:21.08
▲ 4.10
3:59.59
▲ 21.49
3:56.20
▲ 3.39
3:52.17
▲ 4.03
—
3:45.75
▲ 6.42
3:46.19
▼ 0.44
3:47.10
▼ 0.91
800 Free LCM
9:07.76
9:15.28
▼ 7.52
8:49.54
▲ 25.74
8:12.14
▲ 37.40
—
7:57.94
▲ 14.20
7:54.40
▲ 3.54
7:51.70
▲ 2.70
7:48.20
▲ 3.50
7:49.85
▼ 1.65
1500 Free LCM
17:16.74
17:21.90
▼ 5.16
17:12.92
▲ 8.98
15:33.36
▲ 99.56
15:40.36
▼ 7.00
15:16.07
▲ 24.29
15:08.90
▲ 7.17
15:03.85
▲ 5.05
14:52.74
▲ 11.11
14:56.20
▼ 3.46
50 Back LCM
33.09
—
—
—
—
—
—
—
—
—
100 Back LCM
1:08.97
1:10.65
▼ 1.68
1:05.33
▲ 5.32
1:02.38
▲ 2.95
1:02.90
▼ 0.52
—
—
—
59.68
▲ 3.22
—
200 Back LCM
2:26.35
2:22.71
▲ 3.64
2:17.09
▲ 5.62
2:07.20
▲ 9.89
2:07.19
▲ 0.01
2:05.12
▲ 2.07
—
—
2:05.88
▼ 0.76
—
50 Breast LCM
—
—
37.74
—
—
—
—
—
—
—
100 Breast LCM
1:20.96
1:18.55
▲ 2.41
1:20.11
▼ 1.56
1:08.20
▲ 11.91
1:11.83
▼ 3.63
—
—
—
1:05.98
▲ 5.85
—
200 Breast LCM
2:51.43
2:47.57
▲ 3.86
2:39.84
▲ 7.73
2:25.11
▲ 14.73
2:23.26
▲ 1.85
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—
—
—
—
100 Fly LCM
1:05.89
1:05.35
▲ 0.54
1:05.66
▼ 0.31
1:02.06
▲ 3.60
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—
—
—
—
—
200 Fly LCM
2:24.13
2:23.86
▲ 0.27
2:22.67
▲ 1.19
2:15.32
▲ 7.35
2:12.84
▲ 2.48
2:03.73
▲ 9.11
—
—
2:03.26
▲ 0.47
—
200 IM LCM
2:25.12
2:21.39
▲ 3.73
2:23.16
▼ 1.77
2:08.65
▲ 14.51
2:09.47
▼ 0.82
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—
—
—
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400 IM LCM
5:02.15
4:59.55
▲ 2.60
4:51.52
▲ 8.03
4:24.83
▲ 26.69
4:23.40
▲ 1.43
4:14.80
▲ 8.60
4:13.24
▲ 1.56
4:17.27
▼ 4.03
4:12.51
▲ 4.76
4:12.55
▼ 0.04
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.