Swimmer profile
Kosei Okano
Male13-14Supernova Swim TeamMI · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
58.38
—
33.51
▲ 24.87
29.09
▲ 4.42
29.28
▼ 0.19
27.20
▲ 2.08
100 Free LCM
—
1:24.95
1:13.41
▲ 11.54
1:04.10
▲ 9.31
1:05.24
▼ 1.14
1:01.36
▲ 3.88
200 Free LCM
—
—
—
2:21.29
2:23.65
▼ 2.36
2:18.95
▲ 4.70
50 Back LCM
1:10.25
46.97
▲ 23.28
42.36
▲ 4.61
36.83
▲ 5.53
35.51
▲ 1.32
32.54
▲ 2.97
100 Back LCM
—
—
—
—
1:17.72
1:16.25
▲ 1.47
50 Breast LCM
1:23.53
—
45.16
▲ 38.37
38.13
▲ 7.03
—
35.72
▲ 2.41
100 Breast LCM
—
1:47.64
1:39.00
▲ 8.64
1:25.99
▲ 13.01
1:31.71
▼ 5.72
1:20.01
▲ 11.70
200 Breast LCM
—
—
—
3:11.71
3:24.63
▼ 12.92
—
50 Fly LCM
1:24.02
—
—
—
—
30.63
▲ 53.39
200 IM LCM
—
—
—
—
—
2:33.50
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.