Swimmer profile
Chris Ko
Male15-16Iron Horse AquaticsNT · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2023–24
2024–25
2025–26
50 Free LCM
32.57
29.44
▲ 3.13
27.89
▲ 1.55
—
100 Free LCM
1:10.12
1:02.43
▲ 7.69
59.59
▲ 2.84
58.39
▲ 1.20
200 Free LCM
2:29.12
2:17.05
▲ 12.07
2:06.77
▲ 10.28
2:04.79
▲ 1.98
400 Free LCM
5:12.37
4:45.96
▲ 26.41
4:23.61
▲ 22.35
4:22.87
▲ 0.74
800 Free LCM
—
9:36.11
9:13.11
▲ 23.00
8:58.16
▲ 14.95
1500 Free LCM
—
—
17:29.04
17:45.70
▼ 16.66
50 Back LCM
40.18
—
—
—
100 Back LCM
1:30.65
1:15.30
▲ 15.35
1:11.34
▲ 3.96
1:12.47
▼ 1.13
200 Back LCM
—
2:41.88
2:34.55
▲ 7.33
2:30.82
▲ 3.73
100 Breast LCM
—
—
1:25.02
—
50 Fly LCM
38.05
—
30.89
▲ 7.16
—
100 Fly LCM
—
1:15.86
1:08.87
▲ 6.99
1:07.46
▲ 1.41
200 Fly LCM
—
2:55.34
2:37.30
▲ 18.04
2:37.48
▼ 0.18
200 IM LCM
2:52.82
2:38.58
▲ 14.24
2:26.53
▲ 12.05
2:28.03
▼ 1.50
400 IM LCM
—
5:22.05
5:05.40
▲ 16.65
4:58.92
▲ 6.48
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.