Swimmer profile
Marc Zhao
Male11-12Fox Swim ClubMD · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
25 Free SCY
—
—
17.25
16.29
▲ 0.96
—
—
50 Free SCY
1:04.14
47.85
▲ 16.29
41.81
▲ 6.04
37.07
▲ 4.74
34.35
▲ 2.72
31.72
▲ 2.63
100 Free SCY
—
1:50.10
1:33.29
▲ 16.81
1:26.80
▲ 6.49
1:19.37
▲ 7.43
1:11.39
▲ 7.98
200 Free SCY
—
—
3:24.89
3:13.49
▲ 11.40
2:57.92
▲ 15.57
2:39.70
▲ 18.22
500 Free SCY
—
—
9:03.11
—
8:08.18
▲ 54.93
6:50.36
▲ 77.82
1000 Free SCY
—
—
17:57.33
—
—
14:36.73
▲ 200.60
1650 Free SCY
—
—
—
—
—
23:54.20
25 Back SCY
—
—
21.56
19.53
▲ 2.03
—
—
50 Back SCY
1:07.87
1:05.15
▲ 2.72
44.51
▲ 20.64
46.28
▼ 1.77
36.55
▲ 9.73
35.51
▲ 1.04
100 Back SCY
—
2:12.41
1:35.30
▲ 37.11
1:31.10
▲ 4.20
1:20.33
▲ 10.77
1:14.44
▲ 5.89
200 Back SCY
—
—
3:23.26
—
—
2:38.23
▲ 45.03
25 Breast SCY
—
—
26.09
23.05
▲ 3.04
—
—
50 Breast SCY
—
1:10.03
52.99
▲ 17.04
49.61
▲ 3.38
45.47
▲ 4.14
42.44
▲ 3.03
100 Breast SCY
—
2:25.59
1:55.55
▲ 30.04
1:45.53
▲ 10.02
1:43.59
▲ 1.94
1:33.21
▲ 10.38
200 Breast SCY
—
—
4:27.67
—
—
3:16.06
▲ 71.61
25 Fly SCY
—
—
21.34
19.43
▲ 1.91
—
—
50 Fly SCY
—
1:22.18
48.75
▲ 33.43
46.24
▲ 2.51
38.84
▲ 7.40
35.88
▲ 2.96
100 Fly SCY
—
—
1:53.67
—
1:40.18
▲ 13.49
1:27.55
▲ 12.63
100 IM SCY
—
2:00.21
1:40.57
▲ 19.64
1:33.92
▲ 6.65
1:29.28
▲ 4.64
1:19.69
▲ 9.59
200 IM SCY
—
4:39.36
3:37.51
▲ 61.85
3:27.56
▲ 9.95
3:05.13
▲ 22.43
2:49.89
▲ 15.24
400 IM SCY
—
—
7:58.59
—
—
6:11.83
▲ 106.76
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.