Swimmer profile
Matthew Zhang
Male15-16Rockville Montgomery Swim ClubPV · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2024–25
2025–26
50 Free LCM
—
30.48
29.05
▲ 1.43
100 Free LCM
1:31.14
1:09.29
▲ 21.85
1:04.82
▲ 4.47
400 Free LCM
7:10.99
5:30.32
▲ 100.67
5:21.75
▲ 8.57
50 Back LCM
49.62
—
—
50 Breast LCM
—
38.14
34.81
▲ 3.33
100 Breast LCM
1:49.20
1:24.14
▲ 25.06
1:16.20
▲ 7.94
200 Breast LCM
—
2:57.54
2:47.33
▲ 10.21
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.