Swimmer profile
Colin Williams
Male10 & UnderY-Spartaquatics Swim ClubSC · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free SCY
49.67
42.18
▲ 7.49
35.39
▲ 6.79
100 Free SCY
1:59.59
1:34.70
▲ 24.89
1:23.53
▲ 11.17
200 Free SCY
—
3:42.61
3:03.51
▲ 39.10
500 Free SCY
—
—
8:06.57
50 Back SCY
1:00.13
48.21
▲ 11.92
39.08
▲ 9.13
100 Back SCY
—
1:50.35
1:26.12
▲ 24.23
50 Breast SCY
1:02.66
55.33
▲ 7.33
50.28
▲ 5.05
100 Breast SCY
2:27.86
2:11.07
▲ 16.79
1:51.76
▲ 19.31
50 Fly SCY
—
50.86
38.96
▲ 11.90
100 Fly SCY
—
—
1:46.49
100 IM SCY
2:24.95
1:54.84
▲ 30.11
1:32.45
▲ 22.39
200 IM SCY
—
4:13.93
3:25.29
▲ 48.64
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.