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Cillian O'Brien

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MaleMDFox Swim Club
16 events·41 swims·9 meets·Last raced Feb 22, 2026
100 Back SCY54.69
FastestField
MDFOX
Team
5
of 10
MD
LSC
63
of 191
MD
State
63
of 191
Eastern
Zone
785
of 2,793
USA
National
3,665
of 12,769
Boys 17-18 · best in age group · set Feb 2026Full board
Cuts Checker

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

Best Times
1650 Free
SCY2 swims
BBBAAAAAAAAAA37.59 to AA

17:59.98

2025-01-12

200 Back
SCY5 swims
BBBAAAAAAAAAA0.81 to AA
#547 Eastern#2,527 USA

1:59.00

2025-11-02

500 Free
SCY2 swims
BBBAAAAAAAAAA9.94 to AA

5:08.33

2025-11-02

100 Back
SCY5 swims
BBBAAAAAAAAAA1.10 to AA
#785 Eastern#3,665 USA

54.69

2026-02-20

100 Free
SCY3 swims
BBBAAAAAAAAAA1.13 to AA
#4 MDFOX#10,883 USA

50.72

2026-02-01

50 Back
SCY8 swims
BBBAAAAAAAAAA0.67 to AA
#77 MD#3,719 USA

25.96

2025-12-21

200 Free
SCY2 swims
BBBAAAAAAAAAA4.53 to AA
#7 MDFOX#9,032 USA

1:54.22

2026-02-20

1000 Free
SCY1 swim
BBBAAAAAAAAAA5.06 to A

10:56.65

2025-11-08

400 IM
SCY1 swim
BBBAAAAAAAAAA5.95 to A

4:37.94

2025-11-01

200 IM
SCY2 swims
BBBAAAAAAAAAA3.08 to A

2:09.47

2025-10-19

200 Fly
SCY1 swim
BBBAAAAAAAAAA6.72 to A

2:12.21

2025-11-01

50 Free
SCY4 swims
BBBAAAAAAAAAA0.15 to A
#174 MD#12,062 USA

23.74

2026-01-31

100 Fly
SCY1 swim
BBBAAAAAAAAAA4.67 to A

1:00.76

2025-02-01

100 Breast
SCY1 swim
BBBAAAAAAAAAA2.10 to BB

1:11.49

2025-10-18

50 Breast
SCY1 swim
BBBAAAAAAAAAA0.46 to BB

33.35

2025-01-12

100 IM
SCY2 swims

59.84

2025-11-02

Explore

USA Swimming time standards — 17-18 Boys

See how Cillian's times rank nationally: 1650 Free200 Back500 Free100 Back100 Free50 Back