Swimmer profile
Dongsen Zheng
Male17-18Irvine NovaquaticsSCS · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
29.44
28.80
▲ 0.64
28.29
▲ 0.51
—
100 Free LCM
1:06.64
1:00.63
▲ 6.01
59.23
▲ 1.40
59.16
▲ 0.07
200 Free LCM
2:32.41
2:15.29
▲ 17.12
—
2:11.04
▲ 4.25
400 Free LCM
—
4:53.91
4:42.97
▲ 10.94
—
100 Back LCM
—
1:22.62
—
—
200 Back LCM
—
—
2:58.10
—
50 Breast LCM
—
—
—
34.75
100 Breast LCM
1:25.79
1:20.31
▲ 5.48
1:16.84
▲ 3.47
1:16.02
▲ 0.82
200 Breast LCM
3:00.17
3:05.12
▼ 4.95
2:59.17
▲ 5.95
—
100 Fly LCM
1:27.02
—
1:12.18
▲ 14.84
—
200 IM LCM
—
2:34.66
—
2:36.49
▼ 1.83
400 IM LCM
—
5:44.89
—
—
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.