Hannah Kojima

FemaleOHMason Manta Rays

24 events64 swims12 meetsLast raced Oct 4, 2026

Where Hannah ranks

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

50 Free SCY31.58

FastestField

Girls 10 & Under · best in age group · set Oct 2026Tap 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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50 Free

SCY6 swims

BBBAAAAAAAAAA0.69 to AA

#736 USA#2 RAYS

BEST

31.58

2026-10-04

LCM2 swims

BBBAAAAAAAAAA0.13 to A

#26 OH#1,191 USA

36.72

2026-06-21

200 Free

SCY3 swims

BBBAAAAAAAAAA14.81 to A

#6 RAYS#2,192 USA

2:53.20

2026-01-30

LCM1 swim

BBBAAAAAAAAAA3.47 to A

#3 RAYS#1,234 USA

BEST

3:03.86

2026-05-01

200 IM

SCY4 swims

BBBAAAAAAAAAA2.04 to A

#2 RAYS#705 USA

BEST

2:57.53

2026-03-12

LCM2 swims

BBBAAAAAAAAAA12.37 to A

3:34.46

2026-05-16

500 Free

SCY1 swim

BBBAAAAAAAAAA12.93 to B

#17 RAYS#1,898 USA

8:49.62

2025-10-05

LCM1 swim

BBBAAAAAAAAAA26.46 to A

BEST

6:41.35

2026-05-17

100 Fly

SCY2 swims

BBBAAAAAAAAAA13.82 to A

#5 RAYS#1,952 USA

1:39.91

2026-02-01

LCM2 swims

BBBAAAAAAAAAA4.87 to A

#4 RAYS#910 USA

BEST

1:42.86

2026-06-21

100 Breast

SCY5 swims

BBBAAAAAAAAAA3.35 to A

#2 RAYS#1,304 USA

BEST

1:36.94

2026-03-14

LCM2 swims

BBBAAAAAAAAAA7.22 to A

#4 RAYS#1,964 USA

1:55.61

2026-05-17

100 IM

SCY4 swims

BBBAAAAAAAAAA2.95 to A

1:25.04

2026-10-04

50 Fly

SCY6 swims

BBBAAAAAAAAAA0.54 to A

37.53

2026-10-04

LCM1 swim

BBBAAAAAAAAAA4.09 to A

45.68

2026-05-03

100 Back

SCY3 swims

BBBAAAAAAAAAA9.69 to A

#853 Central#3,379 USA

1:31.98

2026-02-01

LCM1 swim

BBBAAAAAAAAAA8.54 to A

#649 Central#2,680 USA

BEST

1:43.13

2026-05-17

100 Free

SCY4 swims

BBBAAAAAAAAAA7.90 to A

#4 RAYS#3,254 USA

1:19.39

2026-01-18

LCM1 swim

BBBAAAAAAAAAA6.70 to A

#564 Central#2,458 USA

BEST

1:28.59

2026-05-02

50 Breast

SCY5 swims

BBBAAAAAAAAAA1.62 to A

44.41

2026-10-04

LCM2 swims

BBBAAAAAAAAAA4.12 to A

52.91

2026-05-02

50 Back

SCY4 swims

BBBAAAAAAAAAA1.15 to A

39.14

2026-10-04

LCM1 swim

BBBAAAAAAAAAA3.76 to A

47.35

2026-05-03

400 IM

SCY1 swim

7:19.18

2025-12-21

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USA Swimming time standards — 10 & Under Girls

See how Hannah's times rank nationally: 50 Free 200 Free (LCM)200 IM 400 Free (LCM)200 IM (LCM)100 Fly (LCM)

Other Mason Manta Rays swimmers around Hannah's age: Chloe Liu Isabella Zhang Gianna Yurkschatt Mia Kuipers Andrew Sun