Swimmer profile
William Sun
Male10 & UnderCoast Guard Blue DolphinsVA · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free SCY
1:08.01
38.92
▲ 29.09
32.08
▲ 6.84
100 Free SCY
—
—
1:13.09
200 Free SCY
—
3:26.18
2:40.65
▲ 45.53
50 Back SCY
—
46.85
37.43
▲ 9.42
100 Back SCY
—
1:34.33
1:20.43
▲ 13.90
50 Breast SCY
—
55.17
41.58
▲ 13.59
100 Breast SCY
—
—
1:33.50
50 Fly SCY
—
57.25
38.58
▲ 18.67
100 Fly SCY
—
1:59.75
1:27.58
▲ 32.17
100 IM SCY
—
1:42.68
1:20.83
▲ 21.85
200 IM SCY
—
3:50.81
2:58.03
▲ 52.78
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.