Swimmer profile
Marc Zhao
Male11-12Fox Swim ClubMD · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
50.88
45.84
▲ 5.04
41.95
▲ 3.89
38.58
▲ 3.37
36.74
▲ 1.84
100 Free LCM
1:57.49
1:42.23
▲ 15.26
1:31.06
▲ 11.17
1:27.13
▲ 3.93
1:20.66
▲ 6.47
200 Free LCM
4:20.12
—
3:26.02
▲ 54.10
3:14.79
▲ 11.23
2:59.35
▲ 15.44
50 Back LCM
56.69
49.45
▲ 7.24
43.02
▲ 6.43
42.42
▲ 0.60
41.53
▲ 0.89
100 Back LCM
1:57.61
1:49.51
▲ 8.10
1:34.37
▲ 15.14
1:29.43
▲ 4.94
1:26.84
▲ 2.59
200 Back LCM
—
—
—
—
3:03.64
50 Breast LCM
1:11.08
1:03.75
▲ 7.33
57.51
▲ 6.24
52.77
▲ 4.74
50.84
▲ 1.93
100 Breast LCM
2:28.21
2:19.86
▲ 8.35
1:54.46
▲ 25.40
1:51.99
▲ 2.47
1:50.60
▲ 1.39
50 Fly LCM
1:13.16
54.64
▲ 18.52
—
43.87
▲ 10.77
43.50
▲ 0.37
100 Fly LCM
—
2:20.09
1:56.52
▲ 23.57
1:53.12
▲ 3.40
1:45.30
▲ 7.82
200 IM LCM
4:42.47
3:59.21
▲ 43.26
3:41.23
▲ 17.98
3:23.21
▲ 18.02
3:15.28
▲ 7.93
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.