Swimmer profile
Zach Rosenbaum
Male13-14Mason Manta RaysOH · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
41.57
35.13
▲ 6.44
30.78
▲ 4.35
28.86
▲ 1.92
100 Free LCM
1:34.34
1:23.84
▲ 10.50
1:10.48
▲ 13.36
1:07.76
▲ 2.72
200 Free LCM
3:30.85
3:00.29
▲ 30.56
2:35.99
▲ 24.30
2:33.14
▲ 2.85
400 Free LCM
7:05.68
—
5:47.78
▲ 77.90
5:25.61
▲ 22.17
800 Free LCM
—
—
11:39.78
—
50 Back LCM
50.55
45.82
▲ 4.73
39.77
▲ 6.05
35.61
▲ 4.16
100 Back LCM
1:51.41
1:34.84
▲ 16.57
1:23.70
▲ 11.14
1:18.94
▲ 4.76
200 Back LCM
—
—
—
2:51.03
50 Breast LCM
55.08
47.67
▲ 7.41
39.24
▲ 8.43
36.17
▲ 3.07
100 Breast LCM
2:04.29
1:52.83
▲ 11.46
1:31.22
▲ 21.61
1:23.91
▲ 7.31
200 Breast LCM
—
3:51.00
3:20.94
▲ 30.06
3:18.10
▲ 2.84
50 Fly LCM
54.92
42.32
▲ 12.60
—
33.09
▲ 9.23
100 Fly LCM
—
1:40.59
1:29.68
▲ 10.91
1:25.82
▲ 3.86
200 IM LCM
—
—
2:57.84
2:52.32
▲ 5.52
400 IM LCM
—
—
6:53.99
—
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.