Swimmer profile
Collin Williams
Male17-18Mecklenburg Swim AssociationNC · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
—
30.47
28.58
▲ 1.89
29.34
▼ 0.76
28.29
▲ 1.05
—
100 Free LCM
—
1:07.56
1:02.02
▲ 5.54
1:01.92
▲ 0.10
1:00.82
▲ 1.10
59.70
▲ 1.12
200 Free LCM
—
—
2:12.90
2:10.91
▲ 1.99
2:11.92
▼ 1.01
2:09.27
▲ 2.65
400 Free LCM
—
5:22.66
4:45.02
▲ 37.64
4:52.77
▼ 7.75
—
—
1500 Free LCM
—
—
19:36.58
—
—
—
50 Back LCM
—
36.44
—
—
—
—
100 Back LCM
—
—
1:17.67
—
—
—
200 Back LCM
—
2:49.38
2:37.68
▲ 11.70
2:37.35
▲ 0.33
—
—
50 Breast LCM
—
—
—
35.23
—
33.53
▲ 1.70
100 Breast LCM
1:28.70
1:23.67
▲ 5.03
1:15.39
▲ 8.28
1:10.27
▲ 5.12
1:10.60
▼ 0.33
1:14.85
▼ 4.25
200 Breast LCM
—
3:04.77
2:40.91
▲ 23.86
2:29.68
▲ 11.23
2:31.26
▼ 1.58
2:41.13
▼ 9.87
50 Fly LCM
—
—
—
—
32.24
—
100 Fly LCM
—
—
1:14.70
1:09.83
▲ 4.87
1:08.06
▲ 1.77
1:08.22
▼ 0.16
200 IM LCM
—
2:48.75
2:31.42
▲ 17.33
2:24.52
▲ 6.90
2:21.94
▲ 2.58
2:25.69
▼ 3.75
400 IM LCM
—
—
5:35.31
5:12.00
▲ 23.31
—
5:11.49
▲ 0.51
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.