Swimmer profile
Mark Cho
Male15-16Greater Somerset County YMCA StormNJ · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
39.95
36.75
▲ 3.20
32.21
▲ 4.54
31.97
▲ 0.24
29.02
▲ 2.95
100 Free LCM
1:30.94
1:21.12
▲ 9.82
1:10.56
▲ 10.56
—
1:07.79
▲ 2.77
200 Free LCM
—
2:59.61
2:41.66
▲ 17.95
—
—
400 Free LCM
—
—
—
5:27.94
—
50 Back LCM
54.36
41.73
▲ 12.63
40.30
▲ 1.43
—
—
100 Back LCM
1:48.53
1:35.56
▲ 12.97
1:26.92
▲ 8.64
—
—
200 Back LCM
—
—
3:04.48
—
—
50 Breast LCM
51.58
45.07
▲ 6.51
38.35
▲ 6.72
38.29
▲ 0.06
35.49
▲ 2.80
100 Breast LCM
1:54.07
1:37.77
▲ 16.30
1:29.54
▲ 8.23
—
1:18.05
▲ 11.49
200 Breast LCM
3:59.77
3:31.37
▲ 28.40
—
3:16.72
▲ 14.65
2:55.96
▲ 20.76
50 Fly LCM
53.99
44.42
▲ 9.57
—
—
34.47
▲ 9.95
100 Fly LCM
—
1:40.11
1:24.95
▲ 15.16
—
1:18.02
▲ 6.93
200 IM LCM
—
3:33.04
3:01.35
▲ 31.69
2:56.14
▲ 5.21
2:46.59
▲ 9.55
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.