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Liam O'Brien

MalePCWalnut Creek Aquabears

Also swam for Sunnyvale Swim Club (2025). Best times below include every one of them.

11 events·21 swims·8 meets·Last raced Nov 1, 2025

Where Liam ranks

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

50 Free SCY32.70

FastestField

What if Liam swims

Boys 10 & Under · best in age group · set Nov 2025Tap a row for the list

Cuts Checker

Include conversions

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

Best Times

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100 Free

BBBAAAAAAAAAA3.65 to A

#357 West#1,496 USA

1:13.44

2025-10-19

200 IM

BBBAAAAAAAAAA17.69 to A

3:11.18

2025-10-25

100 IM

BBBAAAAAAAAAA7.16 to A

#2 WCAB#2,005 USA

1:26.85

2025-10-19

50 Back

BBBAAAAAAAAAA3.34 to A

#2 WCAB#2,883 USA

40.93

2025-09-19

50 Free

BBBAAAAAAAAAA1.61 to A

#376 West#1,563 USA

32.70

2025-11-01

50 Fly

BBBAAAAAAAAAA3.47 to A

#512 West#2,067 USA

39.46

2025-10-28

50 Breast

BBBAAAAAAAAAA4.39 to A

#2,346 USA#3 WCAB

46.48

2025-09-19

100 Back

BBBAAAAAAAAAA9.70 to A

#689 West#2,909 USA

1:29.29

2025-10-25

100 Breast

BBBAAAAAAAAAA0.34 to A

1:40.43

2025-05-17

100 Free

BBBAAAAAAAAAA6.67 to A

1:23.76

2025-05-17

50 Fly

BBBAAAAAAAAAA4.34 to A

44.13

2025-05-17

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USA Swimming time standards — 10 & Under Boys

See how Liam's times rank nationally: 100 Free 200 IM 100 IM 50 Back 50 Free 50 Fly