Swimmer profile
Jake Ko
Male15-16Palo Alto Stanford AquaticsPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
29.44
27.77
▲ 1.67
26.94
▲ 0.83
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100 Free LCM
1:03.82
59.93
▲ 3.89
—
—
200 Free LCM
2:21.03
2:16.61
▲ 4.42
2:16.37
▲ 0.24
—
400 Free LCM
5:00.69
5:09.34
▼ 8.65
—
—
100 Back LCM
—
1:13.02
—
—
100 Breast LCM
—
1:18.30
1:20.08
▼ 1.78
—
200 Breast LCM
—
2:51.96
—
—
50 Fly LCM
30.47
—
—
—
100 Fly LCM
1:07.35
1:05.39
▲ 1.96
1:03.05
▲ 2.34
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200 Fly LCM
—
—
2:37.36
2:32.07
▲ 5.29
200 IM LCM
2:37.08
2:29.09
▲ 7.99
2:25.80
▲ 3.29
2:32.45
▼ 6.65
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.