Swimmer profile
Dongsen Zheng
Male17-18Irvine NovaquaticsSO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free SCY
24.90
24.50
▲ 0.40
24.14
▲ 0.36
100 Free SCY
53.76
53.39
▲ 0.37
53.26
▲ 0.13
200 Free SCY
1:56.94
1:55.22
▲ 1.72
1:50.24
▲ 4.98
500 Free SCY
5:25.87
5:15.23
▲ 10.64
5:13.80
▲ 1.43
1000 Free SCY
—
10:50.09
11:06.98
▼ 16.89
1650 Free SCY
19:28.69
18:21.27
▲ 67.42
—
50 Back SCY
—
—
31.81
100 Back SCY
1:09.32
1:09.65
▼ 0.33
—
200 Back SCY
—
2:34.11
—
50 Breast SCY
—
—
29.52
100 Breast SCY
1:07.64
1:04.42
▲ 3.22
1:03.40
▲ 1.02
200 Breast SCY
2:30.12
2:25.65
▲ 4.47
2:23.10
▲ 2.55
50 Fly SCY
—
—
26.33
100 Fly SCY
1:00.94
1:00.22
▲ 0.72
58.92
▲ 1.30
200 Fly SCY
—
2:20.82
—
100 IM SCY
—
—
1:00.78
200 IM SCY
2:11.70
2:13.10
▼ 1.40
2:17.37
▼ 4.27
400 IM SCY
—
4:46.02
—
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.