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Mac Koster

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MaleNJYMCA of the Jersey Shore

Also swam for YMCA of Greater Monmouth County (2025), Unattached (2025–26). Best times below include every one of them.

16 events·43 swims·13 meets·Last raced May 31, 2026
100 Back SCY54.91
FastestField
NJYMC
Team
1
of 24
NJ
LSC
27
of 406
NJ
State
27
of 406
Eastern
Zone
240
of 3,280
USA
National
916
of 11,535
Boys 15-16 · best in age group · set Mar 2026Full board
Cuts Checker

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

Best Times
200 Back
SCY3 swims
BBBAAAAAAAAAA3.58 to AAA
#2 NJYMC#726 USA
BEST

1:59.57

2026-03-06

LCM4 swims
BBBAAAAAAAAAA4.78 to AA
#35 NJ#1,224 USA

2:26.27

2026-05-29

100 Fly
SCY6 swims
BBBAAAAAAAAAA1.72 to AAA
#345 Eastern#1,320 USA
BEST

54.51

2026-03-20

LCM2 swims
BBBAAAAAAAAAA0.88 to A
#74 NJ#2,541 USA

1:06.67

2026-05-30

100 Back
SCY7 swims
BBBAAAAAAAAAA1.82 to AAA
#1 NJYMC#916 USA
BEST

54.91

2026-03-22

LCM3 swims
BBBAAAAAAAAAA1.78 to AA
#1,360 USA#2 NJYMC

1:06.97

2025-07-25

50 Back
SCY4 swims
BBBAAAAAAAAAA0.38 to AA
#1 NJYMC#1,369 USA

26.47

2025-01-11

LCM1 swim
BBBAAAAAAAAAA0.98 to AAA
#22 NJ#760 USA

30.67

2026-05-31

50 Free
SCY2 swims
BBBAAAAAAAAAA0.84 to AA

24.03

2025-01-30

LCM2 swims
BBBAAAAAAAAAA1.05 to AAA
#3 NJYMC#2,317 USA
BEST

26.94

2026-05-31

100 Free
SCY3 swims
BBBAAAAAAAAAA0.31 to A
#175 NJ#5,750 USA

53.50

2026-01-10

LCM1 swim
BBBAAAAAAAAAA0.74 to AA
#3 NJYMC#2,984 USA
BEST

59.73

2026-05-30

50 Fly
LCM2 swims
BBBAAAAAAAAAA0.43 to AA
#49 NJ#1,979 USA

29.72

2025-06-01

200 Free
SCY1 swim
BBBAAAAAAAAAA5.75 to A
#6,682 USA#17 NJYMC

2:02.34

2025-10-18

50 Breast
SCY1 swim
BBBAAAAAAAAAA1.70 to A
#79 NJ#3,209 USA

33.09

2025-10-19

200 Fly
SCY1 swim
BBBAAAAAAAAAA2.23 to B
#1,040 Eastern#3,318 USA

2:32.42

2025-10-18

Explore

USA Swimming time standards — 15-16 Boys

See how Mac's times rank nationally: 200 Back100 Fly100 Back50 Back50 Free100 Free