Swimmer profile
Hayden Ko
Male15-16QNS Aquatic ClubMR · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free LCM
32.55
31.75
▲ 0.80
30.35
▲ 1.40
28.27
▲ 2.08
26.77
▲ 1.50
26.62
▲ 0.15
26.42
▲ 0.20
100 Free LCM
1:13.82
—
1:06.91
▲ 6.91
1:04.50
▲ 2.41
1:00.74
▲ 3.76
1:01.09
▼ 0.35
1:00.72
▲ 0.37
200 Free LCM
—
—
2:33.66
2:27.27
▲ 6.39
2:24.25
▲ 3.02
2:19.44
▲ 4.81
—
400 Free LCM
—
—
5:58.88
—
—
—
—
50 Back LCM
42.19
—
38.82
▲ 3.37
—
—
—
—
100 Back LCM
1:30.75
—
1:13.23
▲ 17.52
1:13.76
▼ 0.53
1:13.70
▲ 0.06
—
—
50 Breast LCM
44.94
—
41.79
▲ 3.15
—
—
—
—
100 Breast LCM
1:43.96
—
1:28.68
▲ 15.28
1:18.95
▲ 9.73
1:15.92
▲ 3.03
1:14.93
▲ 0.99
1:17.06
▼ 2.13
200 Breast LCM
—
—
—
2:59.80
2:55.05
▲ 4.75
2:55.19
▼ 0.14
3:02.05
▼ 6.86
50 Fly LCM
35.88
36.33
▼ 0.45
31.99
▲ 4.34
—
—
—
—
100 Fly LCM
1:26.86
—
1:14.71
▲ 12.15
1:12.88
▲ 1.83
1:07.79
▲ 5.09
1:06.60
▲ 1.19
1:08.69
▼ 2.09
200 IM LCM
3:18.15
—
2:54.26
▲ 23.89
2:39.50
▲ 14.76
2:35.72
▲ 3.78
2:34.50
▲ 1.22
2:34.42
▲ 0.08
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.