Swimmer profile
Jun-Yi Chang
Male15-16O2 Performance AquaticsNT · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free SCY
28.03
24.91
▲ 3.12
23.38
▲ 1.53
22.64
▲ 0.74
100 Free SCY
1:00.59
55.13
▲ 5.46
51.46
▲ 3.67
—
200 Free SCY
2:22.41
2:01.89
▲ 20.52
1:55.93
▲ 5.96
—
500 Free SCY
6:04.48
5:39.07
▲ 25.41
—
—
50 Back SCY
—
—
—
27.41
100 Back SCY
1:16.33
—
—
—
200 Back SCY
2:42.19
2:20.32
▲ 21.87
—
—
50 Breast SCY
—
—
—
28.24
100 Breast SCY
1:20.05
1:10.43
▲ 9.62
1:05.26
▲ 5.17
1:03.58
▲ 1.68
200 Breast SCY
2:50.39
2:31.94
▲ 18.45
2:28.04
▲ 3.90
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50 Fly SCY
—
—
—
23.94
100 Fly SCY
1:10.31
1:02.32
▲ 7.99
58.73
▲ 3.59
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200 Fly SCY
2:49.51
2:30.81
▲ 18.70
2:25.93
▲ 4.88
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200 IM SCY
2:33.11
2:17.25
▲ 15.86
2:13.32
▲ 3.93
—
400 IM SCY
5:29.65
4:58.09
▲ 31.56
4:54.44
▲ 3.65
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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.