Swimmer profile
Mason Duong
Male11-12Byron CenterMI · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2025–26
50 Free LCM
30.38
100 Free LCM
1:07.56
50 Breast LCM
40.19
100 Breast LCM
1:28.79
200 Breast LCM
3:17.30
50 Fly LCM
34.46
100 Fly LCM
1:28.34
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.