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Sean Markvicka

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MaleMWGrand Island YMCA Quicksilver
2 events·3 swims·1 meets·Last raced Oct 18, 2026

Where Sean ranks

Current best: each age group's best time, against the swimmers in it now.

25 Free SCM28.47
FastestField
Central
Zone
3
of 7
›
USA
National
36
of 59
›
Boys 10 & Under · best in age group · set Oct 2026Tap a row for the list
Cuts Checker

Select a time standard above to see which events you qualify for.

Best Times
50 Free
SCM1 swim
BBBAAAAAAAAAA18.96 to B
#324 Central#917 USA

1:01.15

2026-10-18

25 Free
SCM1 swim
#36 USA

28.47

2026-10-18

Age Group Zones: Midwestern Swimming Zone Team — how the team is picked and where Sean ranks right now.

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USA Swimming time standards — 10 & Under Boys

Other Grand Island YMCA Quicksilver swimmers around Sean's age: Madden HendricksGraham Hanson