Swimmer profile
Mack Hollenbeck
Female13-14Allegheny North Swim ClubAM · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
49.11
46.42
▲ 2.69
37.58
▲ 8.84
35.01
▲ 2.57
32.99
▲ 2.02
32.19
▲ 0.80
100 Free LCM
1:54.94
1:42.90
▲ 12.04
1:29.82
▲ 13.08
1:16.83
▲ 12.99
1:13.19
▲ 3.64
1:09.99
▲ 3.20
200 Free LCM
—
3:35.89
3:17.54
▲ 18.35
2:46.59
▲ 30.95
2:38.11
▲ 8.48
2:34.40
▲ 3.71
400 Free LCM
—
—
—
6:02.58
5:34.46
▲ 28.12
5:29.90
▲ 4.56
50 Back LCM
1:01.52
52.80
▲ 8.72
48.88
▲ 3.92
43.26
▲ 5.62
41.09
▲ 2.17
—
100 Back LCM
—
1:59.65
1:46.15
▲ 13.50
1:31.90
▲ 14.25
1:27.91
▲ 3.99
—
200 Back LCM
—
—
—
3:04.19
—
—
50 Breast LCM
58.67
53.95
▲ 4.72
47.23
▲ 6.72
40.05
▲ 7.18
39.07
▲ 0.98
40.63
▼ 1.56
100 Breast LCM
2:03.37
2:00.12
▲ 3.25
1:48.35
▲ 11.77
1:29.52
▲ 18.83
1:27.68
▲ 1.84
1:26.55
▲ 1.13
200 Breast LCM
—
—
—
3:14.12
3:01.95
▲ 12.17
—
50 Fly LCM
1:07.65
—
52.50
▲ 15.15
43.88
▲ 8.62
—
—
200 IM LCM
—
—
—
—
3:10.50
2:53.41
▲ 17.09
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.