USMS Top 10 Swims by Kei Koizumi (6)

Below are all recorded individual Top 10 achievements for Kei Koizumi since 1971.

2020 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
3	M50-54 200 Free	Kei Koizumi	52	DCAC	Potomac Valley	3:24.56
5	M50-54 800 Free	Kei Koizumi	52	DCAC	Potomac Valley	14:48.93
4	M50-54 1500 Free	Kei Koizumi	52	DCAC	Potomac Valley	29:06.84
4	M50-54 200 Back	Kei Koizumi	52	DCAC	Potomac Valley	3:35.13
3	M50-54 50 Breast	Kei Koizumi	52	DCAC	Potomac Valley	45.82
5	M50-54 200 IM	Kei Koizumi	52	DCAC	Potomac Valley	3:48.04

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USMS Top 10 Relay Swims by Kei Koizumi (21)

Below are all recorded relay Top 10 achievements for Kei Koizumi since 1971.

2020 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
1	M200-239 200 Medley	Kei Koizumi	52	DCAC	Potomac Valley	2:42.90

2014 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
7	M200-239 400 Medley	Kei Koizumi	46	DCAC	Potomac Valley	5:09.92

2012 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
8	X160-199 400 Medley	Kei Koizumi	44	DCAC	Potomac Valley	5:35.16

2011 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
9	M160-199 400 Medley	Kei Koizumi	43	DCAC	Potomac Valley	5:21.37

2008 Short Course Meters

Place	Event	Name	Age	Club	LMSC	Time
9	M160-199 800 Free	Kei Koizumi	40	DCAC	Potomac Valley	10:49.24
9	X160-199 400 Medley	Kei Koizumi	40	DCAC	Potomac Valley	5:15.32

2007 Short Course Meters

Place	Event	Name	Age	Club	LMSC	Time
4	M160-199 800 Free	Kei Koizumi	39	DCAC	Potomac Valley	9:54.05

2007 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
3	X120-159 800 Free	Kei Koizumi	39	DCAC	Potomac Valley	10:52.00

2005 Short Course Meters

Place	Event	Name	Age	Club	LMSC	Time
5	M100-119 800 Free	Kei Koizumi	37	DCAC	Potomac Valley	10:18.81
5	X160-199 400 Medley	Kei Koizumi	37	DCAC	Potomac Valley	5:27.20

2005 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
5	M100-119 400 Medley	Kei Koizumi	36	DCAC	Potomac Valley	5:00.37

2003 Short Course Meters

Place	Event	Name	Age	Club	LMSC	Time
7	M100-119 400 Medley	Kei Koizumi	35	DCAC	Potomac Valley	5:32.95

2003 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
10	X160-199 400 Medley	Kei Koizumi	34	DCAC	Potomac Valley	7:00.09

2002 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
5	M18+ 400 Free	Kei Koizumi	33	DCAC	Potomac Valley	3:39.92

2001 Short Course Meters

Place	Event	Name	Age	Club	LMSC	Time
10	X100-119 200 Free	Kei Koizumi	33	DC AQUATIC CLUB	Potomac Valley	2:11.56
10	X100-119 200 Medley	Kei Koizumi	33	DC AQUATIC CLUB	Potomac Valley	2:25.51
9	X120-159 400 Medley	Kei Koizumi	33	DC AQUATIC CLUB	Potomac Valley	6:03.66

1998 Short Course Meters

Place	Event	Name	Age	Club	LMSC	Time
5	M100-119 200 Free	Kei Koizumi	29	DCAC	Potomac Valley	2:06.35
5	M100-119 400 Medley	Kei Koizumi	29	DCAC	Potomac Valley	5:26.60

1998 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
2	M100-119 400 Medley	Kei Koizumi	29	DCAC	Potomac Valley	5:22.97

1998 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
10	M18+ 800 Free	KEI KOIZUMI	29	DCAC	Delaware Valley	9:55.41