Japan at the 2017 World Championships in Athletics

Japan competed at the 2017 World Championships in Athletics in London, United Kingdom, from 4–13 August 2017.

Japan at the 2017 World Championships in Athletics
WA code	JPN
National federation	Japan Association of Athletics Federations
Website	www.jaaf.or.jp
in London
Competitors	47 in 22 events
Medals Ranked 28th	Gold 0 Silver 1 Bronze 2 Total 3
World Championships in Athletics appearances
1983 1987 1991 1993 1995 1997 1999 2001 2003 2005 2007 2009 2011 2013 2015 2017 2019 2022 2023

Medalists

The following competitors from Japan won medals at the Championships.

Medal	Athlete	Event	Date
Silver	Hirooki Arai	Men's 50 km walk	13 August
Bronze	Shuhei Tada Shota Iizuka Yoshihide Kiryu Kenji Fujimitsu Asuka Cambridge*	Men's 4 × 100 m relay	12 August
Bronze	Kai Kobayashi	Men's 50 km walk	13 August

* – Indicates the athlete competed in preliminaries but not the final

Results

(q – qualified, NM – no mark, SB – season best)

Men

Track and road events

Athlete	Event	Heat		Semifinal		Final
		Result	Rank	Result	Rank	Result	Rank
Asuka Cambridge	100 metres	10.21	20 q	10.25	16	Did not advance
Abdul Hakim Sani Brown		10.05 PB	6 Q	10.28	19
Shuhei Tada		10.19	15 q	10.26	17
Shota Iizuka	200 metres	20.58	23 Q	20.62	16	Did not advance
Abdul Hakim Sani Brown		20.52	18 Q	20.43	10 Q	20.63	7
Takamasa Kitagawa	400 metres	47.35	45	Did not advance
Hiroto Inoue	Marathon	—				2:16.54	26
Yuki Kawauchi						2:12.19	9
Kentaro Nakamoto						2:12.41	10
Genta Masuno	110 metres hurdles	13.58	25 Q	13.79	20	Did not advance
Hideki Omuro		13.78	34	Did not advance
Shunya Takayama		13.65	32
Takatoshi Abe	400 metres hurdles	49.65	14 Q	49.93	14	Did not advance
Yusuke Ishida		50.35	28	Did not advance
Ryo Kajiki		51.36	31
Hironori Tsuetaki	3000 metres steeplechase	8:45.81	38	—		Did not advance
Shuhei Tada Shota Iizuka Yoshihide Kiryu Kenji Fujimitsu Asuka Cambridge*	4 × 100 metres relay	38.21 SB	6 Q	—		38.04 SB
Kentaro Sato Yuzo Kanemaru Kazushi Kimura Kosuke Horii	4 × 400 metres relay	3:07.29	15	—		Did not advance
Isamu Fujisawa	20 kilometres walk	—				1:20:04	11
Daisuke Matsunaga						1:23:39	38
Eiki Takahashi						1:20:36	14
Hirooki Arai	50 kilometres walk	—				3:41:17 SB
Kai Kobayashi						3:41:19 PB
Satoshi Maruo						3:43:03 PB	5

* – Indicates the athlete competed in preliminaries but not the final

Field events

Athlete	Event	Qualification		Final
		Distance	Position	Distance	Position
Takashi Eto	High jump	2.22	=21	Did not advance
Hiroki Ogita	Pole vault	5.45	=18	Did not advance
Seito Yamamoto		5.30	26
Ryoma Yamamoto	Triple jump	16.01	29	Did not advance
Ryohei Arai	Javelin throw	77.38	23	Did not advance

Combined events – Decathlon

Athlete	Event	100 m	LJ	SP	HJ	400 m	110H	DT	PV	JT	1500 m	Final	Rank
Akihiko Nakamura	Result	11.06	7.28	11.37	1.96 SB	48.98	14.43	33.65	4.70	54.22 SB	4:22.62	7646	19
	Points	847	881	568	767	862	920	537	819	651	794
Keisuke Ushiro	Result	11.53	6.64	13.43	1.96 SB	51.43 SB	15.35	47.64 SB	4.60	63.28	4:51.90	7498	20
	Points	746	729	693	767	750	808	821	790	787	607

Women

Track and road events

Athlete	Event	Heat		Semifinal		Final
		Result	Rank	Result	Rank	Result	Rank
Rina Nabeshima	5000 metres	15:11.83 PB	18	—		Did not advance
Ayuko Suzuki		15:24.86	26
Mizuki Matsuda	10,000 metres	—				31:59.54	19
Ayuko Suzuki						31:27.30 SB	10
Miyuki Uehara						32:31.58	24
Yuka Ando	Marathon	—				2:31:31	17
Mao Kiyota						2:30:36	16
Risa Shigetomo						2:36:03	27
Ayako Kimura	100 metres hurdles	13.15	27 Q	13.29	23	Did not advance
Hitomi Shimura		13.29	31	Did not advance
Kumiko Okada	20 kilometres walk	—				1:31:19	18

Field events

Athlete	Event	Qualification		Final
		Distance	Position	Distance	Position
Yuki Ebihara	Javelin throw	57.51	24	Did not advance
Risa Miyashita		53.83	29
Marina Saito		60.86	16