Swimmer profile
William Siegel
MaleOpen / SeniorUniv. Of Michigan Swim TeamMI · CENTRALCollege athlete · University of MichiganD1
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 LCM
—
35.47
33.53
▲ 1.94
31.99
▲ 1.54
31.57
▲ 0.42
30.52
▲ 1.05
28.08
▲ 2.44
26.96
▲ 1.12
—
24.99
▲ 1.97
—
100 Free LCM
1:26.61
1:16.23
▲ 10.38
1:09.65
▲ 6.58
1:07.66
▲ 1.99
1:05.33
▲ 2.33
1:01.86
▲ 3.47
59.88
▲ 1.98
56.89
▲ 2.99
56.34
▲ 0.55
52.20
▲ 4.14
—
200 Free LCM
3:08.86
2:37.05
▲ 31.81
2:28.11
▲ 8.94
2:23.49
▲ 4.62
2:18.31
▲ 5.18
2:11.59
▲ 6.72
2:06.29
▲ 5.30
1:59.31
▲ 6.98
1:54.16
▲ 5.15
1:52.93
▲ 1.23
1:55.55
▼ 2.62
400 Free LCM
—
5:29.76
5:05.61
▲ 24.15
4:54.28
▲ 11.33
4:43.97
▲ 10.31
4:31.64
▲ 12.33
4:18.47
▲ 13.17
4:02.18
▲ 16.29
3:59.94
▲ 2.24
3:56.31
▲ 3.63
4:01.23
▼ 4.92
800 Free LCM
—
—
—
9:52.06
9:44.09
▲ 7.97
9:15.57
▲ 28.52
8:44.68
▲ 30.89
8:18.55
▲ 26.13
8:11.23
▲ 7.32
8:10.83
▲ 0.40
8:28.21
▼ 17.38
1500 Free LCM
—
—
—
18:56.75
18:44.68
▲ 12.07
17:25.48
▲ 79.20
16:56.25
▲ 29.23
15:48.72
▲ 67.53
15:42.54
▲ 6.18
15:28.48
▲ 14.06
16:04.03
▼ 35.55
50 Back LCM
—
42.74
40.04
▲ 2.70
37.71
▲ 2.33
37.36
▲ 0.35
—
—
—
—
—
—
100 Back LCM
—
1:27.80
1:24.62
▲ 3.18
1:22.54
▲ 2.08
—
1:14.16
▲ 8.38
1:09.74
▲ 4.42
—
—
—
—
200 Back LCM
—
—
2:53.14
2:46.73
▲ 6.41
—
2:30.41
▲ 16.32
2:30.20
▲ 0.21
—
—
2:21.66
▲ 8.54
—
50 Breast LCM
52.73
50.13
▲ 2.60
46.94
▲ 3.19
45.27
▲ 1.67
—
—
—
—
—
—
—
100 Breast LCM
1:54.27
1:44.76
▲ 9.51
1:37.10
▲ 7.66
—
—
—
1:21.43
▲ 15.67
1:24.08
▼ 2.65
—
—
—
50 Fly LCM
42.40
39.01
▲ 3.39
35.26
▲ 3.75
33.88
▲ 1.38
—
—
—
—
—
—
—
100 Fly LCM
1:37.19
1:28.79
▲ 8.40
1:18.20
▲ 10.59
1:16.21
▲ 1.99
1:15.24
▲ 0.97
1:08.82
▲ 6.42
1:05.43
▲ 3.39
1:04.07
▲ 1.36
1:03.72
▲ 0.35
1:02.26
▲ 1.46
—
200 Fly LCM
—
—
2:51.14
2:47.02
▲ 4.12
—
—
2:28.49
▲ 18.53
2:18.85
▲ 9.64
2:18.94
▼ 0.09
2:22.47
▼ 3.53
—
200 IM LCM
—
3:04.70
2:51.04
▲ 13.66
2:43.47
▲ 7.57
2:45.85
▼ 2.38
2:33.29
▲ 12.56
—
2:20.33
▲ 12.96
2:21.42
▼ 1.09
2:17.79
▲ 3.63
2:26.24
▼ 8.45
400 IM LCM
—
—
5:57.98
5:38.37
▲ 19.61
5:39.01
▼ 0.64
5:13.10
▲ 25.91
5:04.38
▲ 8.72
4:46.91
▲ 17.47
4:42.80
▲ 4.11
4:41.81
▲ 0.99
—
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.