Swimmer profile
Zeen Zheng
Male15-16Palo Alto Stanford AquaticsPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
—
29.76
28.90
▲ 0.86
26.11
▲ 2.79
24.26
▲ 1.85
25.57
▼ 1.31
100 Free SCY
1:43.45
1:12.98
▲ 30.47
1:01.96
▲ 11.02
59.53
▲ 2.43
52.11
▲ 7.42
56.00
▼ 3.89
200 Free SCY
—
2:36.76
2:11.04
▲ 25.72
2:04.52
▲ 6.52
1:58.31
▲ 6.21
1:58.39
▼ 0.08
500 Free SCY
—
6:14.32
5:48.36
▲ 25.96
5:31.83
▲ 16.53
5:19.79
▲ 12.04
—
1000 Free SCY
—
—
12:38.16
—
11:04.72
▲ 93.44
11:00.80
▲ 3.92
1650 Free SCY
—
—
19:49.46
18:52.86
▲ 56.60
18:24.29
▲ 28.57
—
50 Back SCY
—
44.58
33.74
▲ 10.84
31.74
▲ 2.00
28.18
▲ 3.56
—
100 Back SCY
1:58.28
1:31.91
▲ 26.37
1:10.14
▲ 21.77
1:03.08
▲ 7.06
59.60
▲ 3.48
1:03.45
▼ 3.85
200 Back SCY
—
3:40.19
2:34.41
▲ 65.78
2:18.51
▲ 15.90
2:13.70
▲ 4.81
—
50 Breast SCY
54.91
42.64
▲ 12.27
36.02
▲ 6.62
34.12
▲ 1.90
—
—
100 Breast SCY
—
1:26.29
1:17.05
▲ 9.24
1:10.59
▲ 6.46
1:06.20
▲ 4.39
1:08.56
▼ 2.36
200 Breast SCY
—
3:08.56
2:41.24
▲ 27.32
2:34.50
▲ 6.74
2:23.72
▲ 10.78
2:26.37
▼ 2.65
50 Fly SCY
54.27
35.87
▲ 18.40
29.95
▲ 5.92
29.47
▲ 0.48
—
—
100 Fly SCY
—
1:15.37
1:03.77
▲ 11.60
1:00.32
▲ 3.45
57.59
▲ 2.73
57.99
▼ 0.40
200 Fly SCY
—
—
2:24.55
2:20.80
▲ 3.75
2:12.17
▲ 8.63
2:09.21
▲ 2.96
100 IM SCY
—
1:28.85
1:06.12
▲ 22.73
—
—
—
200 IM SCY
4:01.31
2:43.24
▲ 78.07
2:24.67
▲ 18.57
2:16.80
▲ 7.87
2:09.94
▲ 6.86
2:11.23
▼ 1.29
400 IM SCY
—
5:36.74
5:07.42
▲ 29.32
4:46.15
▲ 21.27
4:32.74
▲ 13.41
—
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.