Swimmer profile
William Dufour
Male11-12Southwest Aquatic TeamBO · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
40.43
36.49
▲ 3.94
33.95
▲ 2.54
29.19
▲ 4.76
25.49
▲ 3.70
100 Free SCY
—
1:20.51
1:14.88
▲ 5.63
1:05.45
▲ 9.43
56.65
▲ 8.80
200 Free SCY
—
3:07.08
2:48.79
▲ 18.29
2:27.72
▲ 21.07
—
50 Back SCY
48.79
45.94
▲ 2.85
39.39
▲ 6.55
36.98
▲ 2.41
31.02
▲ 5.96
100 Back SCY
—
1:34.08
1:28.77
▲ 5.31
1:19.21
▲ 9.56
—
50 Breast SCY
—
57.90
53.07
▲ 4.83
46.53
▲ 6.54
37.46
▲ 9.07
100 Breast SCY
—
1:59.57
2:04.61
▼ 5.04
1:51.27
▲ 13.34
1:25.18
▲ 26.09
50 Fly SCY
—
51.96
46.13
▲ 5.83
40.32
▲ 5.81
29.24
▲ 11.08
100 IM SCY
—
1:39.78
1:29.98
▲ 9.80
1:22.42
▲ 7.56
1:07.45
▲ 14.97
200 IM SCY
—
—
—
3:14.52
2:30.32
▲ 44.20
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.