Swimmer profile
John Zheng
Male15-16The Spartans of La CanadaSCS · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
32.14
29.44
▲ 2.70
26.69
▲ 2.75
26.57
▲ 0.12
25.86
▲ 0.71
100 Free LCM
—
1:03.03
1:00.54
▲ 2.49
56.08
▲ 4.46
—
200 Free LCM
2:31.37
2:18.59
▲ 12.78
2:15.31
▲ 3.28
2:06.47
▲ 8.84
2:09.93
▼ 3.46
400 Free LCM
—
5:01.07
4:57.40
▲ 3.67
4:37.89
▲ 19.51
—
50 Back LCM
40.37
32.55
▲ 7.82
—
—
29.30
▲ 3.25
100 Back LCM
—
1:08.88
1:08.04
▲ 0.84
1:02.57
▲ 5.47
1:04.69
▼ 2.12
200 Back LCM
2:57.33
—
2:28.29
▲ 29.04
2:15.58
▲ 12.71
2:21.20
▼ 5.62
50 Breast LCM
—
—
—
—
31.24
100 Breast LCM
1:39.95
1:21.10
▲ 18.85
1:12.81
▲ 8.29
1:07.44
▲ 5.37
1:10.25
▼ 2.81
200 Breast LCM
—
—
—
2:30.05
2:36.42
▼ 6.37
50 Fly LCM
—
31.02
—
29.08
▲ 1.94
27.74
▲ 1.34
100 Fly LCM
—
—
1:12.17
—
—
200 IM LCM
—
2:34.20
2:27.76
▲ 6.44
2:18.76
▲ 9.00
2:17.88
▲ 0.88
400 IM LCM
—
—
—
5:05.10
5:02.90
▲ 2.20
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.