Swimmer profile
Colin Kokjohn
Male11-12Des Moines Swimming FederationIA · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
46.73
42.40
▲ 4.33
39.16
▲ 3.24
—
100 Free LCM
—
—
1:29.53
1:22.68
▲ 6.85
200 Free LCM
—
—
3:18.17
3:02.43
▲ 15.74
50 Back LCM
1:03.00
56.24
▲ 6.76
52.63
▲ 3.61
—
100 Back LCM
—
—
1:49.27
1:51.53
▼ 2.26
50 Breast LCM
1:07.52
58.68
▲ 8.84
52.38
▲ 6.30
47.36
▲ 5.02
100 Breast LCM
2:26.93
2:12.73
▲ 14.20
1:54.00
▲ 18.73
1:45.14
▲ 8.86
200 Breast LCM
—
—
—
3:43.14
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.