Swimmer profile
John Thumann
Male17-18California AquaticsPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2025–26
50 Free LCM
40.53
34.69
▲ 5.84
31.28
▲ 3.41
29.88
▲ 1.40
26.38
▲ 3.50
24.20
▲ 2.18
23.45
▲ 0.75
22.82
▲ 0.63
22.51
▲ 0.31
100 Free LCM
1:31.11
1:16.43
▲ 14.68
1:09.67
▲ 6.76
1:03.61
▲ 6.06
56.40
▲ 7.21
53.35
▲ 3.05
52.27
▲ 1.08
50.80
▲ 1.47
50.40
▲ 0.40
200 Free LCM
3:38.66
2:52.43
▲ 46.23
2:35.67
▲ 16.76
2:20.58
▲ 15.09
2:02.94
▲ 17.64
1:57.92
▲ 5.02
1:58.59
▼ 0.67
2:05.06
▼ 6.47
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400 Free LCM
8:12.85
—
5:36.84
▲ 156.01
5:03.78
▲ 33.06
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4:19.35
▲ 44.43
4:20.69
▼ 1.34
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50 Back LCM
45.08
39.72
▲ 5.36
36.38
▲ 3.34
34.51
▲ 1.87
29.77
▲ 4.74
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—
—
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100 Back LCM
1:45.63
1:27.65
▲ 17.98
1:18.58
▲ 9.07
1:14.96
▲ 3.62
1:04.79
▲ 10.17
59.62
▲ 5.17
58.11
▲ 1.51
56.78
▲ 1.33
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200 Back LCM
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—
—
2:42.23
2:24.07
▲ 18.16
2:09.02
▲ 15.05
2:15.39
▼ 6.37
2:06.28
▲ 9.11
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50 Breast LCM
56.10
48.84
▲ 7.26
46.08
▲ 2.76
44.14
▲ 1.94
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—
—
33.73
▲ 10.41
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100 Breast LCM
2:08.39
1:47.96
▲ 20.43
1:40.93
▲ 7.03
1:36.88
▲ 4.05
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1:14.92
▲ 21.96
1:15.47
▼ 0.55
1:13.22
▲ 2.25
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200 Breast LCM
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—
—
—
—
—
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2:52.31
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50 Fly LCM
—
38.32
33.54
▲ 4.78
32.18
▲ 1.36
30.48
▲ 1.70
26.68
▲ 3.80
24.66
▲ 2.02
24.84
▼ 0.18
24.52
▲ 0.32
100 Fly LCM
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1:52.26
1:17.61
▲ 34.65
1:12.38
▲ 5.23
1:02.01
▲ 10.37
58.25
▲ 3.76
54.32
▲ 3.93
53.65
▲ 0.67
52.87
▲ 0.78
200 Fly LCM
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—
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2:58.16
2:19.19
▲ 38.97
2:09.91
▲ 9.28
2:05.11
▲ 4.80
2:02.67
▲ 2.44
2:02.40
▲ 0.27
200 IM LCM
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2:53.07
2:38.30
▲ 14.77
2:21.38
▲ 16.92
2:15.96
▲ 5.42
2:19.41
▼ 3.45
2:22.50
▼ 3.09
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400 IM LCM
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—
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5:57.11
5:13.74
▲ 43.37
4:58.92
▲ 14.82
5:11.41
▼ 12.49
4:52.53
▲ 18.88
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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.