Swimmer profile
Ji Hoon Sung
Male17-18Iolani Swim ClubHI · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
38.56
34.92
▲ 3.64
27.36
▲ 7.56
26.26
▲ 1.10
25.93
▲ 0.33
25.63
▲ 0.30
24.62
▲ 1.01
24.64
▼ 0.02
100 Free LCM
1:28.55
1:18.42
▲ 10.13
1:02.02
▲ 16.40
58.72
▲ 3.30
56.78
▲ 1.94
54.98
▲ 1.80
53.65
▲ 1.33
53.41
▲ 0.24
200 Free LCM
—
—
—
—
—
2:00.09
2:00.15
▼ 0.06
1:57.35
▲ 2.80
50 Back LCM
—
43.60
—
—
—
—
—
29.30
▲ 14.30
100 Back LCM
—
—
1:16.22
1:12.55
▲ 3.67
—
—
1:01.80
▲ 10.75
—
50 Breast LCM
—
—
—
—
—
—
31.60
32.21
▼ 0.61
100 Breast LCM
—
—
1:24.76
1:14.48
▲ 10.28
1:15.29
▼ 0.81
1:14.44
▲ 0.85
—
—
200 Breast LCM
—
—
—
2:52.17
2:45.79
▲ 6.38
2:45.19
▲ 0.60
—
—
50 Fly LCM
50.99
—
—
—
—
—
—
27.50
▲ 23.49
100 Fly LCM
—
—
—
—
—
1:04.42
—
—
200 IM LCM
—
—
2:44.19
—
—
—
2:17.43
▲ 26.76
—
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.