Swimmer profile
Henry Alcock
Male11-12Hilton Head AquaticsSC · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free SCY
43.03
36.78
▲ 6.25
31.24
▲ 5.54
100 Free SCY
1:33.99
1:20.60
▲ 13.39
1:07.71
▲ 12.89
200 Free SCY
—
2:49.21
2:29.17
▲ 20.04
500 Free SCY
—
7:19.57
6:32.27
▲ 47.30
1000 Free SCY
—
—
13:19.46
1650 Free SCY
—
—
22:26.93
50 Back SCY
53.10
45.23
▲ 7.87
41.69
▲ 3.54
100 Back SCY
1:55.51
1:39.29
▲ 16.22
1:35.92
▲ 3.37
200 Back SCY
—
—
3:06.67
50 Breast SCY
58.96
49.02
▲ 9.94
48.73
▲ 0.29
100 Breast SCY
2:14.29
1:48.40
▲ 25.89
1:34.02
▲ 14.38
50 Fly SCY
—
44.58
39.11
▲ 5.47
100 Fly SCY
—
1:44.95
1:32.13
▲ 12.82
200 Fly SCY
—
—
3:24.60
100 IM SCY
1:52.34
1:47.66
▲ 4.68
1:24.39
▲ 23.27
200 IM SCY
—
—
3:02.15
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.