Swimmer profile
Marshall Hirschman
Male17-18Waverly Piranha Swim ClubMI · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
36.01
31.25
▲ 4.76
27.20
▲ 4.05
26.66
▲ 0.54
—
100 Free LCM
1:19.66
1:07.99
▲ 11.67
1:03.61
▲ 4.38
57.95
▲ 5.66
56.41
▲ 1.54
200 Free LCM
2:46.18
—
2:23.84
▲ 22.34
2:14.84
▲ 9.00
2:12.29
▲ 2.55
400 Free LCM
6:04.24
—
5:01.70
▲ 62.54
5:09.69
▼ 7.99
—
800 Free LCM
—
—
—
10:40.74
—
50 Back LCM
—
—
—
—
33.36
100 Back LCM
1:34.66
1:23.02
▲ 11.64
1:19.57
▲ 3.45
—
—
50 Breast LCM
—
—
32.79
30.46
▲ 2.33
31.07
▼ 0.61
100 Breast LCM
1:36.71
1:29.32
▲ 7.39
1:18.52
▲ 10.80
1:08.84
▲ 9.68
1:10.34
▼ 1.50
200 Breast LCM
—
3:15.04
2:57.38
▲ 17.66
2:37.72
▲ 19.66
2:37.82
▼ 0.10
50 Fly LCM
41.08
35.85
▲ 5.23
32.14
▲ 3.71
31.98
▲ 0.16
29.05
▲ 2.93
100 Fly LCM
—
—
—
1:13.59
—
200 IM LCM
—
2:50.05
2:36.29
▲ 13.76
2:29.71
▲ 6.58
2:23.43
▲ 6.28
400 IM LCM
—
6:22.79
—
—
—
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.