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David Koo

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MaleSTWaterloo Swimming
3 events·3 swims·2 meets·Last raced Feb 14, 2026

Where David ranks

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

50 Breast SCY46.09
FastestField
WLOO
Team
37
of 46
›
ST
LSC
271
of 331
›
TX
State
733
of 886
›
Southern
Zone
1,954
of 2,330
›
USA
National
9,571
of 11,258
›
Boys 13-14 · best in age group · set Jan 2026Tap a row for the list
Cuts Checker

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

Best Times
50 Breast
SCY1 swim
BBBAAAAAAAAAA7.50 to B
#37 WLOO#9,571 USA

46.09

2026-01-10

50 Fly
SCY1 swim
BBBAAAAAAAAAA14.59 to B
#43 WLOO#10,898 USA

47.78

2026-02-14

100 Breast
SCY1 swim
BBBAAAAAAAAAA27.96 to B
#1,034 TX#14,100 USA

1:48.45

2026-01-10

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Explore

USA Swimming time standards — 13-14 Boys

See how David's times rank nationally: 50 Breast50 Fly100 Breast
Other Waterloo Swimming swimmers around David's age: Dora XueSophia ChenSavannah CampbellLucy GriegoAddie Robinson