Masashi Eriguchi

Masashi Eriguchi (江里口 匡史, Eriguchi Masashi, born 17 December 1988) is a Japanese sprinter who specializes in the 100 metres.

He won the bronze medal at the 2009 Summer Universiade and a gold medal in relay at the 2009 Asian Championships. At the 2009 World Championships he finished fourth in the relay. He also competed in the 100 metres. He reached the semi-final at the 2010 World Indoor Championships.

His personal best times are 6.75 seconds in the 60 metres (indoor), achieved at the 2010 World Indoor Championships in Doha; 10.07 seconds in the 100 metres, achieved in June 2009 in Hiroshima; and 20.88 seconds in the 200 metres, achieved in October 2008 in Ōita.

• 4 × 200 m relay
  • Former Japanese and Japanese university record holder - 1:22.67 s (relay leg: 1st) (Yokohama, 27 September 2008)

with Yukio Yanai, Hiroshi Kihara, and Shintarō Kimura

Year	Competition	Venue	Position	Event	Notes
Representing  Japan
2007	Universiade	Bangkok, Thailand	4th (h)	4 × 100 m relay	39.98
2009	Universiade	Belgrade, Serbia	3rd	100 m	10.33
			– (h)	4 × 100 m relay	DQ
	World Championships	Berlin, Germany	36th (qf)	100 m	10.45
			4th	4 × 100 m relay	38.30
	Asian Championships	Guangzhou, China	21st (h)	100 m	10.82
			1st	4 × 100 m relay	39.01
2010	World Indoor Championships	Doha, Qatar	21st (sf)	60 m	6.77
	Asian Games	Guangzhou, China	15th (sf)	100 m	10.56
			10th (h)	4 × 100 m relay	47.14
2011	Asian Championships	Kobe, Japan	2nd	100 m	10.28
			1st	4 × 100 m relay	39.18
2012	Olympic Games	London, United Kingdom	31st (h)	100 m	10.30
			4th	4 × 100 m relay	38.35
2014	Asian Indoor Championships	Hangzhou, China	4th	60 m	6.73
	World Relays	Nassau, Bahamas	9th (h)	4 × 200 m relay	1:23.87

National Championship