Swimmer profile
Koki Yamamoto
Male15-16Dads Club Swim TeamGU · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free SCY
25.42
24.49
▲ 0.93
23.92
▲ 0.57
100 Free SCY
55.25
54.00
▲ 1.25
50.54
▲ 3.46
200 Free SCY
2:03.73
1:53.69
▲ 10.04
1:50.47
▲ 3.22
500 Free SCY
5:46.81
5:07.18
▲ 39.63
5:04.00
▲ 3.18
100 Back SCY
1:06.02
1:03.47
▲ 2.55
1:01.11
▲ 2.36
200 Back SCY
2:33.02
—
2:09.79
▲ 23.23
50 Breast SCY
—
—
26.24
100 Breast SCY
1:09.36
59.19
▲ 10.17
56.24
▲ 2.95
200 Breast SCY
2:34.74
2:12.29
▲ 22.45
2:03.94
▲ 8.35
100 Fly SCY
1:02.83
55.59
▲ 7.24
56.39
▼ 0.80
200 Fly SCY
—
—
1:57.09
200 IM SCY
2:24.57
2:00.59
▲ 23.98
1:56.96
▲ 3.63
400 IM SCY
—
4:16.82
4:10.79
▲ 6.03
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.