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 SCY
26.18
24.61
▲ 1.57
24.06
▲ 0.55
22.56
▲ 1.50
100 Free SCY
59.80
54.39
▲ 5.41
52.05
▲ 2.34
49.58
▲ 2.47
200 Free SCY
—
1:57.34
1:55.84
▲ 1.50
1:50.30
▲ 5.54
500 Free SCY
—
5:49.19
5:18.54
▲ 30.65
4:58.00
▲ 20.54
50 Back SCY
31.21
—
—
25.30
▲ 5.91
100 Back SCY
—
1:05.68
59.15
▲ 6.53
56.72
▲ 2.43
200 Back SCY
—
—
2:07.01
2:08.68
▼ 1.67
50 Breast SCY
36.40
—
—
—
100 Breast SCY
1:22.33
1:08.31
▲ 14.02
1:06.76
▲ 1.55
1:03.85
▲ 2.91
200 Breast SCY
—
2:30.38
2:25.01
▲ 5.37
2:19.41
▲ 5.60
50 Fly SCY
27.88
—
25.58
▲ 2.30
23.90
▲ 1.68
100 Fly SCY
1:02.48
57.82
▲ 4.66
54.80
▲ 3.02
51.79
▲ 3.01
200 Fly SCY
2:39.85
—
2:03.75
▲ 36.10
1:58.02
▲ 5.73
100 IM SCY
1:06.41
—
59.41
▲ 7.00
57.80
▲ 1.61
200 IM SCY
—
2:13.17
2:04.89
▲ 8.28
2:00.11
▲ 4.78
400 IM SCY
—
—
—
4:26.52
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.