Swimmer profile
John Cho
Male17-18Princeton Tiger Aquatic ClubNJ · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2024–25
2025–26
50 Free LCM
39.30
32.13
▲ 7.17
29.31
▲ 2.82
100 Free LCM
—
1:06.97
1:05.12
▲ 1.85
200 Free LCM
—
2:26.19
2:26.65
▼ 0.46
400 Free LCM
—
—
5:27.03
50 Back LCM
—
—
37.90
100 Back LCM
2:05.31
1:23.39
▲ 41.92
1:22.87
▲ 0.52
200 Back LCM
—
2:54.32
—
50 Breast LCM
—
42.48
—
100 Breast LCM
2:27.34
1:33.75
▲ 53.59
1:36.31
▼ 2.56
50 Fly LCM
—
35.84
32.82
▲ 3.02
100 Fly LCM
—
1:20.32
1:21.08
▼ 0.76
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.