Swimmer profile
William Siebrandt
MaleOpen / SeniorPitchfork AquaticsAZ · 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
34.85
29.52
▲ 5.33
25.93
▲ 3.59
25.08
▲ 0.85
23.80
▲ 1.28
23.19
▲ 0.61
23.34
▼ 0.15
22.82
▲ 0.52
22.87
▼ 0.05
23.26
▼ 0.39
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100 Free SCY
1:13.94
1:03.76
▲ 10.18
57.26
▲ 6.50
53.78
▲ 3.48
50.59
▲ 3.19
51.44
▼ 0.85
50.14
▲ 1.30
49.04
▲ 1.10
48.62
▲ 0.42
50.15
▼ 1.53
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200 Free SCY
2:38.41
2:18.78
▲ 19.63
2:04.21
▲ 14.57
1:57.37
▲ 6.84
1:52.19
▲ 5.18
1:52.68
▼ 0.49
1:49.70
▲ 2.98
1:47.96
▲ 1.74
1:45.97
▲ 1.99
1:50.40
▼ 4.43
1:50.83
▼ 0.43
500 Free SCY
7:18.97
—
5:39.39
▲ 99.58
5:19.25
▲ 20.14
5:00.92
▲ 18.33
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5:04.14
▼ 3.22
4:58.15
▲ 5.99
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1000 Free SCY
—
12:22.35
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—
—
—
—
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9:53.65
▲ 148.70
10:13.30
▼ 19.65
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1650 Free SCY
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—
—
—
—
—
—
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16:26.25
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50 Back SCY
41.76
—
—
—
32.42
▲ 9.34
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—
—
—
—
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100 Back SCY
1:29.57
1:16.67
▲ 12.90
1:09.51
▲ 7.16
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1:04.08
▲ 5.43
1:08.95
▼ 4.87
1:06.91
▲ 2.04
1:01.87
▲ 5.04
1:04.01
▼ 2.14
1:06.48
▼ 2.47
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200 Back SCY
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2:45.00
2:33.75
▲ 11.25
2:22.79
▲ 10.96
2:23.41
▼ 0.62
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2:19.04
▲ 4.37
2:14.51
▲ 4.53
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—
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50 Breast SCY
42.34
37.05
▲ 5.29
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—
31.01
▲ 6.04
—
31.32
▼ 0.31
—
31.59
▼ 0.27
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100 Breast SCY
1:34.01
1:20.31
▲ 13.70
1:14.07
▲ 6.24
1:11.85
▲ 2.22
1:09.85
▲ 2.00
1:10.08
▼ 0.23
1:09.92
▲ 0.16
1:08.50
▲ 1.42
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1:07.55
▲ 0.95
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200 Breast SCY
3:11.52
2:56.89
▲ 14.63
2:37.20
▲ 19.69
2:27.68
▲ 9.52
2:29.22
▼ 1.54
2:32.50
▼ 3.28
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2:25.69
▲ 6.81
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50 Fly SCY
41.50
—
—
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26.45
▲ 15.05
—
25.88
▲ 0.57
24.64
▲ 1.24
24.14
▲ 0.50
23.92
▲ 0.22
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100 Fly SCY
1:34.05
1:10.33
▲ 23.72
1:02.49
▲ 7.84
56.87
▲ 5.62
56.18
▲ 0.69
54.53
▲ 1.65
53.83
▲ 0.70
52.60
▲ 1.23
50.93
▲ 1.67
52.49
▼ 1.56
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200 Fly SCY
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2:18.59
2:02.95
▲ 15.64
2:02.25
▲ 0.70
1:59.39
▲ 2.86
1:57.64
▲ 1.75
1:54.00
▲ 3.64
1:53.51
▲ 0.49
1:54.96
▼ 1.45
1:56.91
▼ 1.95
100 IM SCY
1:30.44
1:14.25
▲ 16.19
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—
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58.66
▲ 15.59
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200 IM SCY
3:04.61
2:28.16
▲ 36.45
2:19.81
▲ 8.35
2:12.82
▲ 6.99
2:06.36
▲ 6.46
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2:05.37
▲ 0.99
2:07.02
▼ 1.65
2:12.16
▼ 5.14
2:09.43
▲ 2.73
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400 IM SCY
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5:20.48
4:54.61
▲ 25.87
4:39.82
▲ 14.79
4:31.89
▲ 7.93
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4:25.03
▲ 6.86
4:27.09
▼ 2.06
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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.