John Duma

MalePVRockville Montgomery Swim Club

Also swam for Nation's Capital Swim Club (2025), Unattached (2025–26). Best times below include every one of them.

20 events71 swims18 meetsLast raced May 30, 2026

Where John ranks

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

100 Back LCM59.41

FastestField

Boys 17-18 · best in age group · set Jul 2025Tap a row for the list

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

Best Times

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200 Back

SCY4 swims

BBBAAAAAAAAAA2.88 to AAAA

#171 Eastern#917 USA

BEST

1:50.77

2025-12-14

LCM5 swims

BBBAAAAAAAAAA3.08 to AAAA

#141 Eastern#840 USA

2:09.97

2025-01-20

100 Back

SCY9 swims

BBBAAAAAAAAAA2.15 to AAAA

#239 Eastern#1,382 USA

BEST

51.04

2025-12-13

LCM5 swims

BBBAAAAAAAAAA1.22 to AAAA

#2 PVROC#991 USA

59.41

2025-07-24

50 Back

SCY7 swims

BBBAAAAAAAAAA0.89 to AAAA

#214 Eastern#1,130 USA

23.98

2025-12-12

LCM5 swims

BBBAAAAAAAAAA0.09 to AAAA

#3 PVROC#711 USA

27.68

2026-05-30

200 IM

SCY6 swims

BBBAAAAAAAAAA3.24 to AAA

#774 Eastern#3,693 USA

BEST

1:59.13

2026-02-21

LCM5 swims

BBBAAAAAAAAAA1.61 to AAA

#390 Eastern#2,299 USA

2:16.70

2025-07-26

200 Free

SCY2 swims

BBBAAAAAAAAAA2.59 to AAA

#143 PV#5,386 USA

BEST

1:47.58

2026-03-06

LCM2 swims

BBBAAAAAAAAAA0.27 to AA

#858 Eastern#4,871 USA

2:05.86

2025-05-16

50 Free

SCY4 swims

BBBAAAAAAAAAA0.51 to AAA

#1,062 Eastern#5,506 USA

BEST

22.20

2025-12-13

LCM3 swims

BBBAAAAAAAAAA1.09 to AAA

#1,171 Eastern#6,523 USA

26.18

2026-05-29

100 Free

SCY2 swims

BBBAAAAAAAAAA1.98 to AAA

#1,448 Eastern#7,303 USA

BEST

49.37

2026-02-06

LCM3 swims

BBBAAAAAAAAAA2.24 to AAA

#1,068 Eastern#6,211 USA

57.13

2025-05-31

100 Fly

SCY3 swims

BBBAAAAAAAAAA2.11 to AAA

#1,024 Eastern#5,052 USA

BEST

53.50

2025-12-12

LCM2 swims

BBBAAAAAAAAAA0.17 to A

#1,218 Eastern#6,441 USA

1:04.16

2025-07-11

500 Free

SCY1 swim

BBBAAAAAAAAAA12.98 to AAA

#115 PV#4,115 USA

4:58.37

2026-01-16

50 Fly

LCM1 swim

BBBAAAAAAAAAA0.49 to AA

#4,687 USA#32 PVROC

28.88

2025-07-10

100 Breast

SCY1 swim

BBBAAAAAAAAAA2.31 to AA

#166 PV#5,616 USA

BEST

1:03.70

2025-11-01

LCM1 swim

BBBAAAAAAAAAA5.17 to A

#5,776 USA#30 PVROC

1:19.56

2025-06-01

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USA Swimming time standards — 17-18 Boys

See how John's times rank nationally: 200 Back (LCM)200 Back 100 Back (LCM)50 Back (LCM)100 Back 50 Back

Other Rockville Montgomery Swim Club swimmers around John's age: Luke Biddle Kevin Lee Maeve Cutter Elle Floyd Skylar Dean