Mason Duffy

Also swam for Seattle Metropolitan AC (2025–26), West Seattle (2026), Unattached (2025–26). Best times below include every one of them.

26 events129 swims26 meetsLast raced Oct 11, 2026

In 3dNext meetVAST Fall Classic→

Where Mason ranks

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

50 Free SCY23.15

FastestField

Zones team line — top 12 in PN · 70 to gain

Boys 15-16 · best in age group · set Jan 2026Tap a row for the list

Cuts Checker

Include conversions

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

Best Times

Show conversions

50 Back

SCY5 swims

BBBAAAAAAAAAA0.31 to AAA

24.50

2026-02-13

LCM6 swims

BBBAAAAAAAAAA1.20 to AAAA

#39 WA#1,383 USA

28.79

2026-07-16

50 Fly

LCM5 swims

BBBAAAAAAAAAA0.11 to AAA

#5 PNSEAT#2,639 USA

27.30

2026-06-26

100 Fly

SCY11 swims

BBBAAAAAAAAAA1.30 to AAA

#47 West#117 USA

BEST

52.69

2026-02-20

LCM4 swims

BBBAAAAAAAAAA2.35 to AAA

#58 WA#1,844 USA

1:01.04

2026-07-28

100 Free

SCY11 swims

BBBAAAAAAAAAA0.45 to AA

#149 West#364 USA

BEST

50.04

2026-02-07

LCM7 swims

BBBAAAAAAAAAA1.80 to AAA

#131 WA#5,660 USA

56.69

2026-07-28

200 IM

SCY9 swims

BBBAAAAAAAAAA0.14 to AA

#54 West#141 USA

BEST

2:01.23

2026-01-16

LCM2 swims

BBBAAAAAAAAAA2.70 to AA

#91 PN#4,348 USA

2:23.89

2026-07-28

200 Back

SCY6 swims

BBBAAAAAAAAAA4.95 to AA

#7 PN#115 USA

BEST

2:03.14

2026-03-14

LCM5 swims

BBBAAAAAAAAAA1.57 to AA

#25 WA#979 USA

2:20.56

2026-07-16

400 IM

SCY2 swims

BBBAAAAAAAAAA8.39 to AA

4:29.08

2026-02-27

100 Back

SCY13 swims

BBBAAAAAAAAAA0.42 to AA

#38 West#117 USA

BEST

54.01

2026-02-21

LCM8 swims

BBBAAAAAAAAAA0.01 to AA

#35 WA#1,248 USA

1:03.70

2025-07-18

50 Free

SCY4 swims

BBBAAAAAAAAAA0.56 to AA

#6 PNSEAT#3,652 USA

23.15

2026-01-16

LCM6 swims

BBBAAAAAAAAAA0.13 to AA

#4 PNSEAT#3,464 USA

BEST

26.32

2025-07-18

200 Fly

SCY4 swims

BBBAAAAAAAAAA4.70 to AA

#1,685 USA#9 PNSEAT

BEST

2:04.99

2025-10-18

LCM1 swim

BBBAAAAAAAAAA4.82 to A

#36 WA#1,345 USA

2:28.01

2026-07-16

500 Free

SCY1 swim

BBBAAAAAAAAAA10.76 to A

#130 WA#5,076 USA

BEST

5:22.15

2025-10-05

LCM1 swim

BBBAAAAAAAAAA8.05 to BB

#6 PNSEAT#6,113 USA

5:11.14

2026-04-24

200 Free

SCY6 swims

BBBAAAAAAAAAA0.06 to A

#107 West#262 USA

BEST

1:54.55

2026-10-10

LCM2 swims

BBBAAAAAAAAAA1.82 to A

2:12.91

2025-06-01

200 Breast

SCY3 swims

BBBAAAAAAAAAA4.85 to A

#2,507 USA#8 PNSEAT

BEST

2:23.94

2026-01-18

LCM1 swim

BBBAAAAAAAAAA4.12 to BB

#57 WA#2,013 USA

2:59.81

2026-06-07

100 Breast

SCY4 swims

BBBAAAAAAAAAA0.65 to A

#86 WA#2,968 USA

1:04.64

2026-01-17

50 Breast

SCY2 swims

BBBAAAAAAAAAA0.25 to A

30.64

2026-01-16

Open Mason's full profile in the app

Race-day alerts, every cut, every PB drop, and the full meet plan — on iPhone and Android.

Explore

USA Swimming time standards — 17-18 Boys

See how Mason's times rank nationally: 50 Back (LCM)50 Fly (LCM)100 Fly 50 Back 100 Free (LCM)100 Fly (LCM)

Other Seattle Metropolitan Aquatic Club swimmers around Mason's age: Luke Dunn Tala Estes Charlie Cancelmo Kaitlyn Vu Sophie Pham