Swimmer profile
William Song
Male15-16Quicksilver SwimmingPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
34.44
28.70
▲ 5.74
27.13
▲ 1.57
26.19
▲ 0.94
25.98
▲ 0.21
100 Free LCM
1:13.32
1:03.06
▲ 10.26
58.01
▲ 5.05
56.72
▲ 1.29
—
200 Free LCM
2:44.14
—
2:08.24
▲ 35.90
2:04.87
▲ 3.37
2:08.37
▼ 3.50
400 Free LCM
5:45.71
—
—
—
—
50 Back LCM
40.62
—
34.30
▲ 6.32
—
—
100 Back LCM
—
1:16.13
1:10.47
▲ 5.66
1:08.02
▲ 2.45
1:07.37
▲ 0.65
200 Back LCM
—
2:41.04
2:28.30
▲ 12.74
2:26.80
▲ 1.50
2:27.71
▼ 0.91
50 Breast LCM
49.58
—
38.80
▲ 10.78
—
—
100 Breast LCM
1:40.31
1:33.60
▲ 6.71
1:25.26
▲ 8.34
1:23.08
▲ 2.18
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200 Breast LCM
3:37.48
3:06.10
▲ 31.38
3:02.00
▲ 4.10
—
—
50 Fly LCM
38.10
—
31.43
▲ 6.67
—
—
100 Fly LCM
1:23.40
1:15.06
▲ 8.34
1:08.76
▲ 6.30
1:05.80
▲ 2.96
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200 IM LCM
3:03.31
—
2:29.32
▲ 33.99
—
—
400 IM LCM
6:20.02
5:39.12
▲ 40.90
5:13.53
▲ 25.59
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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.