Swimmer profile
Collin Williams
Male17-18Mecklenburg Swim AssociationNC · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
36.01
30.14
▲ 5.87
27.21
▲ 2.93
25.22
▲ 1.99
25.38
▼ 0.16
24.37
▲ 1.01
24.48
▼ 0.11
100 Free SCY
1:21.99
1:07.48
▲ 14.51
1:00.69
▲ 6.79
55.67
▲ 5.02
53.63
▲ 2.04
53.02
▲ 0.61
52.03
▲ 0.99
200 Free SCY
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—
2:16.03
1:58.99
▲ 17.04
1:54.66
▲ 4.33
1:53.41
▲ 1.25
1:54.79
▼ 1.38
500 Free SCY
—
—
6:02.58
5:25.96
▲ 36.62
5:15.14
▲ 10.82
5:24.89
▼ 9.75
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1000 Free SCY
—
—
—
—
11:02.39
—
—
1650 Free SCY
—
—
—
20:39.52
—
—
—
50 Back SCY
44.60
35.91
▲ 8.69
—
—
—
—
—
100 Back SCY
1:36.97
1:21.30
▲ 15.67
1:16.08
▲ 5.22
1:06.60
▲ 9.48
1:03.88
▲ 2.72
1:00.21
▲ 3.67
1:02.49
▼ 2.28
200 Back SCY
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—
—
2:29.81
—
—
—
50 Breast SCY
43.55
36.39
▲ 7.16
—
—
—
—
—
100 Breast SCY
1:34.33
1:19.61
▲ 14.72
1:11.37
▲ 8.24
1:06.54
▲ 4.83
1:02.07
▲ 4.47
1:01.21
▲ 0.86
1:02.82
▼ 1.61
200 Breast SCY
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—
2:39.38
2:25.56
▲ 13.82
2:12.84
▲ 12.72
2:10.02
▲ 2.82
2:12.18
▼ 2.16
50 Fly SCY
49.80
39.78
▲ 10.02
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—
—
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100 Fly SCY
—
—
—
—
1:00.49
56.65
▲ 3.84
56.99
▼ 0.34
200 Fly SCY
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—
—
2:29.06
—
2:14.12
▲ 14.94
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100 IM SCY
1:30.13
1:14.05
▲ 16.08
1:11.14
▲ 2.91
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200 IM SCY
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2:44.50
2:34.52
▲ 9.98
2:13.32
▲ 21.20
2:07.43
▲ 5.89
2:02.01
▲ 5.42
2:03.79
▼ 1.78
400 IM SCY
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—
5:31.03
4:57.73
▲ 33.30
4:40.03
▲ 17.70
4:31.26
▲ 8.77
4:21.90
▲ 9.36
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.