David Koo

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MaleSTWaterloo Swimming

3 events3 swims2 meetsLast raced Feb 14, 2026

50 Breast SCY46.09

FastestField

WLOO

Team

of 37

LSC

218

of 261

State

781

of 923

Southern

Zone

2,035

of 2,387

USA

National

9,862

of 11,536

Boys 13-14 · best in age group · set Jan 2026Full board

Cuts Checker

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Best Times

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50 Breast

SCY1 swim

BBBAAAAAAAAAA7.50 to B

#29 WLOO #9,862 USA

46.09

2026-01-10

50 Fly

SCY1 swim

BBBAAAAAAAAAA14.59 to B

#34 WLOO #11,151 USA

47.78

2026-02-14

100 Breast

SCY1 swim

BBBAAAAAAAAAA27.96 to B

#14,826 USA #33 WLOO

1:48.45

2026-01-10

Explore

USA Swimming time standards — 13-14 Boys

See how David's times rank nationally: 50 Breast 50 Fly 100 Breast

David Koo

Get the app

MaleSTWaterloo Swimming

3 events3 swims2 meetsLast raced Feb 14, 2026

50 Breast SCY46.09

FastestField

WLOO

Team

of 37

LSC

218

of 261

State

781

of 923

Southern

Zone

2,035

of 2,387

USA

National

9,862

of 11,536

Boys 13-14 · best in age group · set Jan 2026Full board

Cuts Checker

Include conversions

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

Best Times

Show conversions

50 Breast

SCY1 swim

BBBAAAAAAAAAA7.50 to B

#29 WLOO #9,862 USA

46.09

2026-01-10

50 Fly

SCY1 swim

BBBAAAAAAAAAA14.59 to B

#34 WLOO #11,151 USA

47.78

2026-02-14

100 Breast

SCY1 swim

BBBAAAAAAAAAA27.96 to B

#14,826 USA #33 WLOO

1:48.45

2026-01-10

Explore

USA Swimming time standards — 13-14 Boys

See how David's times rank nationally: 50 Breast 50 Fly 100 Breast