Motoka Arai

Motoka Arai (新井初佳, Arai Motoka, born 16 June 1974 in Kobe) is a Japanese retired sprinter. She competed in the 4 × 100 metres relay at the 1997 World Championships, the 100 metres and 4 × 100 metres relay at the 1999 World Championships and the 4 × 100 metres relay at the 2003 World Championships.^[4] She was a seven-time national champion in the 100 metres and a six-time national champion in the 200 metres at the Japanese Championships. She is the former Japanese record holder in the 100 metres and 200 metres, and the current Japanese record holder in the indoor 200 metres.

She married Japanese sprinter Shigeyuki Kojima in February 2004.^[5] She changed her name to Motoka Kojima, but she reverted to her original name.

Personal bests

Event	Time (s)	Competition	Venue	Date	Notes
60 m	7.54 (Indoor)	World Indoor Championships	Maebashi, Japan	7 March 1999
100 m	11.39 (wind: +1.1 m/s)	National Championships	Tottori, Japan	4 June 2004
100 m	11.31 (wind: +3.7 m/s)	National Championships	Tokyo, Japan	9 June 2001	Wind-assisted
200 m	23.46 (wind: 0.0 m/s)	National Sports Festival	Kumamoto, Japan	26 October 1999	Former NR
	23.22 (wind: +2.2 m/s)	National Championships	Shizuoka, Japan	3 October 1999	Wind-assisted
	24.11 (Indoor)	Japan-China Indoor Match	Yokohama, Japan	26 February 2000	Current NIR

Year	Competition	Venue	Position	Event	Time
Representing Japan
1997	East Asian Games	Busan, South Korea	3rd	200 m	24.09 (wind: +3.4 m/s)
			2nd	4×100 m relay	45.16 (relay leg: 4th)
			2nd	4×400 m relay	3:36.60 (relay leg: 2nd)
	World Championships	Athens, Greece	15th (sf)	4×100 m relay	44.56 (relay leg: 4th)
1998	Asian Championships	Fukuoka, Japan	4th	100 m	11.74 (wind: -0.1 m/s)
			5th	200 m	23.67 (wind: +1.7 m/s)
			2nd	4×100 m relay	44.45 (relay leg: 4th)
	Asian Games	Bangkok, Thailand	5th	100 m	11.59 (wind: +2.3 m/s)
			6th	200 m	23.58 (wind: +0.1 m/s)
			5th	4×100 m relay	44.80 (relay leg: 2nd)
1999	World Indoor Championships	Maebashi, Japan	26th (h)	60 m	7.54
	World Indoor Championships	Maebashi, Japan	— (h)	200 m	DNS
	World Championships	Seville, Spain	37th (h)	100 m	11.64 (wind: -0.6 m/s)
	World Championships	Seville, Spain	14th (h)	4×100 m relay	44.80 (relay leg: 2nd)
2000	Asian Championships	Jakarta, Indonesia	7th	100 m	11.78 (wind: -1.0 m/s)
2000	Asian Championships	Jakarta, Indonesia	5th	4×100 m relay	45.26 (relay leg: 2nd)
2001	East Asian Games	Osaka, Japan	4th	200 m	23.69 (wind: -2.4 m/s)
2001	East Asian Games	Osaka, Japan	2nd	4×100 m relay	44.24 (relay leg: 2nd)
2002	Asian Games	Busan, South Korea	9th (h)	100 m	11.70 (wind: -0.2 m/s)
			6th	200 m	23.91 (wind: -0.2 m/s)
			4th	4×100 m relay	44.59 (relay leg: 2nd)
2003	World Championships	Paris, France	15th (h)	4×100 m relay	44.57 (relay leg: 4th)
2003	Asian Championships	Manila, Philippines	2nd	4×100 m relay	44.56 (relay leg: 1st)

Japanese Championships
- 100 m: 1998, 1999, 2000, 2001, 2002, 2003, 2004
- 200 m: 1998, 1999, 2000, 2001, 2002, 2003

↑ "Athlete Interview". CramerJapan (in Japanese). Retrieved 31 October 2020.
↑ "Profile". JAAF (in Japanese). Archived from the original on 6 July 2004. Retrieved 31 October 2020.
↑ "かつての短距離女王小島初佳が引退". Sports Nippon (in Japanese). 28 September 2008. Archived from the original on 31 October 2020. Retrieved 31 October 2020.
↑ "Profile". World Athletics. Retrieved 31 October 2020.
↑ "陸上の小島と新井が結婚". Sports Nippon (in Japanese). Archived from the original on 12 March 2004. Retrieved 1 November 2020.

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