Swimmer profile
William McIlwain
Male10 & UnderCrawfish AquaticsLA · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
25 Free SCY
—
24.67
20.56
▲ 4.11
—
—
50 Free SCY
1:11.77
—
45.26
▲ 26.51
41.50
▲ 3.76
—
100 Free SCY
—
—
1:52.20
1:31.16
▲ 21.04
1:18.28
▲ 12.88
200 Free SCY
—
—
3:29.64
3:08.15
▲ 21.49
2:54.71
▲ 13.44
25 Back SCY
—
25.75
24.02
▲ 1.73
—
—
50 Back SCY
—
—
49.89
45.37
▲ 4.52
39.26
▲ 6.11
100 Back SCY
—
—
—
1:32.37
1:26.86
▲ 5.51
25 Breast SCY
—
—
28.36
—
—
50 Breast SCY
—
—
1:06.19
54.70
▲ 11.49
—
100 Breast SCY
—
—
2:27.97
2:00.36
▲ 27.61
1:49.53
▲ 10.83
25 Fly SCY
—
28.73
25.27
▲ 3.46
—
—
50 Fly SCY
—
—
1:14.71
50.43
▲ 24.28
—
100 IM SCY
—
—
1:56.87
1:45.59
▲ 11.28
1:29.36
▲ 16.23
200 IM SCY
—
—
—
3:30.98
—
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.