Swimmer profile
Clay Kojima
Male13-14Mason Manta RaysOH · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
41.07
38.04
▲ 3.03
31.22
▲ 6.82
28.06
▲ 3.16
—
100 Free LCM
1:46.18
1:23.73
▲ 22.45
1:07.40
▲ 16.33
1:01.62
▲ 5.78
1:00.08
▲ 1.54
200 Free LCM
3:44.47
3:02.72
▲ 41.75
2:31.49
▲ 31.23
2:11.31
▲ 20.18
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400 Free LCM
—
—
5:17.18
4:39.23
▲ 37.95
4:41.73
▼ 2.50
800 Free LCM
—
—
—
9:54.10
—
1500 Free LCM
—
—
—
—
18:47.18
50 Back LCM
55.60
46.47
▲ 9.13
38.70
▲ 7.77
35.90
▲ 2.80
34.14
▲ 1.76
100 Back LCM
2:00.64
1:39.16
▲ 21.48
1:23.29
▲ 15.87
1:15.62
▲ 7.67
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200 Back LCM
—
—
2:54.96
—
2:37.73
▲ 17.23
50 Breast LCM
1:03.50
48.08
▲ 15.42
40.01
▲ 8.07
34.83
▲ 5.18
34.30
▲ 0.53
100 Breast LCM
2:19.13
1:47.70
▲ 31.43
1:23.58
▲ 24.12
1:15.60
▲ 7.98
1:16.81
▼ 1.21
200 Breast LCM
—
—
3:08.20
2:47.32
▲ 20.88
2:42.46
▲ 4.86
50 Fly LCM
53.83
44.22
▲ 9.61
36.49
▲ 7.73
31.22
▲ 5.27
30.43
▲ 0.79
100 Fly LCM
2:14.63
1:38.57
▲ 36.06
1:19.77
▲ 18.80
1:10.95
▲ 8.82
1:07.07
▲ 3.88
200 Fly LCM
—
—
3:03.28
—
2:46.11
▲ 17.17
200 IM LCM
4:18.60
3:46.80
▲ 31.80
2:51.90
▲ 54.90
2:30.13
▲ 21.77
2:32.37
▼ 2.24
400 IM LCM
—
—
—
5:28.34
5:13.44
▲ 14.90
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.