Swimmer profile
Collin Williams
Male15-16Bison Aquatic ClubOK · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2025–26
50 Free LCM
34.10
31.50
▲ 2.60
100 Free LCM
1:21.75
1:11.00
▲ 10.75
100 Back LCM
1:39.03
1:26.44
▲ 12.59
50 Breast LCM
47.57
—
100 Breast LCM
1:45.25
—
50 Fly LCM
41.38
35.34
▲ 6.04
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.