Swimmer profile
Ji Hoon Sung
Male17-18Iolani Swim ClubHI · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
35.89
32.04
▲ 3.85
—
23.37
▲ 8.67
22.65
▲ 0.72
22.19
▲ 0.46
21.03
▲ 1.16
22.03
▼ 1.00
100 Free SCY
—
1:12.73
1:01.18
▲ 11.55
52.09
▲ 9.09
49.25
▲ 2.84
47.78
▲ 1.47
46.04
▲ 1.74
46.70
▼ 0.66
200 Free SCY
—
—
—
1:59.00
1:51.68
▲ 7.32
1:44.41
▲ 7.27
1:43.38
▲ 1.03
—
500 Free SCY
—
—
—
—
—
—
—
4:53.72
50 Back SCY
45.54
41.34
▲ 4.20
34.46
▲ 6.88
28.21
▲ 6.25
27.71
▲ 0.50
—
—
—
100 Back SCY
—
—
—
1:02.19
1:00.76
▲ 1.43
59.83
▲ 0.93
58.44
▲ 1.39
59.65
▼ 1.21
200 Back SCY
—
—
—
2:21.17
—
—
—
—
50 Breast SCY
54.27
43.48
▲ 10.79
37.35
▲ 6.13
30.42
▲ 6.93
—
—
28.37
▲ 2.05
—
100 Breast SCY
—
1:36.32
—
1:06.00
▲ 30.32
1:03.19
▲ 2.81
1:01.17
▲ 2.02
59.39
▲ 1.78
1:01.03
▼ 1.64
200 Breast SCY
—
—
—
2:29.93
2:20.33
▲ 9.60
2:18.15
▲ 2.18
2:27.34
▼ 9.19
—
50 Fly SCY
42.77
39.11
▲ 3.66
—
—
—
—
—
—
100 Fly SCY
—
1:34.70
—
1:05.30
▲ 29.40
—
55.27
▲ 10.03
54.89
▲ 0.38
55.58
▼ 0.69
100 IM SCY
—
1:27.08
—
—
—
—
54.85
▲ 32.23
55.03
▼ 0.18
200 IM SCY
—
—
—
2:17.53
—
2:04.38
▲ 13.15
1:59.58
▲ 4.80
—
400 IM SCY
—
—
—
—
—
—
—
4:26.73
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.