Swimmer profile
William Qin
Male15-16Commonwealth SwimmingNE · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2021–22
2022–23
2023–24
2024–25
50 Free LCM
46.43
34.44
▲ 11.99
30.12
▲ 4.32
27.51
▲ 2.61
28.05
▼ 0.54
100 Free LCM
—
1:16.51
1:06.25
▲ 10.26
1:02.20
▲ 4.05
1:00.72
▲ 1.48
200 Free LCM
—
2:41.49
2:23.58
▲ 17.91
2:16.18
▲ 7.40
2:15.78
▲ 0.40
400 Free LCM
—
5:44.66
5:08.91
▲ 35.75
4:51.49
▲ 17.42
—
50 Back LCM
56.77
40.43
▲ 16.34
—
—
—
100 Back LCM
2:03.72
1:24.24
▲ 39.48
1:17.92
▲ 6.32
1:15.05
▲ 2.87
1:15.87
▼ 0.82
200 Back LCM
—
—
2:47.11
—
2:41.99
▲ 5.12
50 Breast LCM
1:00.33
44.30
▲ 16.03
—
—
34.33
▲ 9.97
100 Breast LCM
—
1:35.07
1:24.28
▲ 10.79
1:17.27
▲ 7.01
1:14.19
▲ 3.08
200 Breast LCM
—
3:42.86
3:05.15
▲ 37.71
2:51.85
▲ 13.30
2:43.13
▲ 8.72
100 Fly LCM
—
1:34.00
1:21.26
▲ 12.74
1:17.91
▲ 3.35
1:13.19
▲ 4.72
200 IM LCM
—
3:14.21
2:44.64
▲ 29.57
2:33.88
▲ 10.76
2:29.84
▲ 4.04
400 IM LCM
—
—
—
—
5:19.44
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.