Swimmer profile
Roger Zhu
Male11-12Long Island ExpressMR · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
37.91
32.74
▲ 5.17
29.83
▲ 2.91
100 Free LCM
1:26.02
1:12.05
▲ 13.97
1:04.94
▲ 7.11
200 Free LCM
—
2:35.63
2:24.04
▲ 11.59
400 Free LCM
—
5:27.15
5:07.79
▲ 19.36
50 Back LCM
47.87
39.83
▲ 8.04
34.66
▲ 5.17
100 Back LCM
—
1:26.95
1:16.57
▲ 10.38
50 Breast LCM
55.09
44.22
▲ 10.87
40.05
▲ 4.17
100 Breast LCM
1:59.41
1:36.63
▲ 22.78
1:25.91
▲ 10.72
50 Fly LCM
45.31
34.97
▲ 10.34
32.55
▲ 2.42
100 Fly LCM
1:40.28
1:18.47
▲ 21.81
1:12.97
▲ 5.50
200 Fly LCM
—
3:02.40
2:44.42
▲ 17.98
200 IM LCM
—
2:54.65
2:36.61
▲ 18.04
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.