Swimmer profile
Henry Alcock
Male11-12Hilton Head AquaticsSC · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
47.96
42.14
▲ 5.82
37.22
▲ 4.92
100 Free LCM
1:43.06
1:30.95
▲ 12.11
1:23.12
▲ 7.83
200 Free LCM
—
3:10.15
2:49.37
▲ 20.78
400 Free LCM
—
6:28.79
—
50 Back LCM
1:04.38
54.83
▲ 9.55
—
100 Back LCM
2:17.86
1:53.82
▲ 24.04
1:48.38
▲ 5.44
200 Back LCM
—
—
3:44.59
50 Breast LCM
1:06.86
56.62
▲ 10.24
—
100 Breast LCM
2:24.29
2:05.61
▲ 18.68
—
200 Breast LCM
—
—
3:49.36
50 Fly LCM
—
51.71
—
200 IM LCM
—
—
3:22.03
400 IM LCM
—
—
7:06.84
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.