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Joanna Kostrzewa

FemaleMRQNS Aquatic Club

3 events·3 swims·2 meets·Last raced Oct 26, 2025

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

Best Times

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100 Back

BBBAAAAAAAAAA5.82 to BB

1:25.61

2025-10-26

50 Breast

BBBAAAAAAAAAA2.75 to B

52.54

2025-06-08

200 Free

BBBAAAAAAAAAA14.37 to B

2:56.96

2025-10-26

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USA Swimming time standards — 11-12 Girls

See how Joanna's times rank nationally: 100 Back 200 Free