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
2025–26
50 Free SCY
25.18
24.30
▲ 0.88
23.03
▲ 1.27
22.26
▲ 0.77
22.04
▲ 0.22
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—
—
—
—
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100 Free SCY
54.42
52.81
▲ 1.61
50.24
▲ 2.57
48.63
▲ 1.61
47.43
▲ 1.20
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—
—
—
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200 Free SCY
1:53.12
1:51.31
▲ 1.81
1:48.36
▲ 2.95
1:42.25
▲ 6.11
1:37.63
▲ 4.62
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1:35.10
▲ 2.53
1:39.16
▼ 4.06
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500 Free SCY
4:58.31
4:53.47
▲ 4.84
4:48.76
▲ 4.71
4:29.59
▲ 19.17
4:19.07
▲ 10.52
4:14.36
▲ 4.71
4:10.96
▲ 3.40
4:08.79
▲ 2.17
4:21.24
▼ 12.45
4:09.41
▲ 11.83
4:14.08
▼ 4.67
1000 Free SCY
10:11.04
10:06.58
▲ 4.46
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9:21.78
▲ 44.80
8:58.35
▲ 23.43
8:45.38
▲ 12.97
8:43.96
▲ 1.42
8:41.61
▲ 2.35
8:34.82
▲ 6.79
8:39.25
▼ 4.43
8:43.95
▼ 4.70
1650 Free SCY
16:58.60
16:52.47
▲ 6.13
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15:28.62
▲ 83.85
14:51.42
▲ 37.20
14:40.13
▲ 11.29
14:32.40
▲ 7.73
14:35.51
▼ 3.11
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14:26.00
▲ 9.51
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100 Back SCY
1:03.32
58.50
▲ 4.82
—
53.26
▲ 5.24
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—
—
—
50.23
▲ 3.03
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200 Back SCY
2:06.66
2:05.67
▲ 0.99
1:58.60
▲ 7.07
1:49.40
▲ 9.20
1:47.65
▲ 1.75
1:48.31
▼ 0.66
1:47.61
▲ 0.70
1:46.00
▲ 1.61
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100 Breast SCY
1:11.88
1:07.78
▲ 4.10
—
58.79
▲ 8.99
58.65
▲ 0.14
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—
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56.06
▲ 2.59
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200 Breast SCY
2:27.12
2:25.28
▲ 1.84
—
2:06.94
▲ 18.34
2:02.21
▲ 4.73
2:02.90
▼ 0.69
—
1:58.88
▲ 4.02
—
2:00.42
▼ 1.54
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50 Fly SCY
—
26.88
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—
—
—
—
—
—
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100 Fly SCY
59.33
59.15
▲ 0.18
—
53.27
▲ 5.88
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—
—
—
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200 Fly SCY
2:09.29
2:04.64
▲ 4.65
2:02.73
▲ 1.91
1:56.54
▲ 6.19
1:52.90
▲ 3.64
1:47.93
▲ 4.97
—
1:46.51
▲ 1.42
—
1:48.51
▼ 2.00
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100 IM SCY
—
1:00.31
56.87
▲ 3.44
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—
—
—
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200 IM SCY
2:07.64
2:04.82
▲ 2.82
2:03.38
▲ 1.44
1:52.87
▲ 10.51
1:49.48
▲ 3.39
1:51.29
▼ 1.81
1:49.03
▲ 2.26
1:46.38
▲ 2.65
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1:48.07
▼ 1.69
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400 IM SCY
4:27.13
4:21.67
▲ 5.46
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3:56.89
▲ 24.78
3:49.19
▲ 7.70
3:40.80
▲ 8.39
3:38.90
▲ 1.90
3:37.90
▲ 1.00
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3:38.56
▼ 0.66
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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.