Olympic champion Ohuruogu calls time on career

British athletics great Christine Ohuruogu who was crowned 2008 Olympic champion in the women's 400 metres announced she is retiring on Saturday.

Ohuruogu also won the world outdoor title on two occasions in 2007 and 2013.   -  AP

British athletics great Christine Ohuruogu who was crowned 2008 Olympic champion in the women's 400 metres announced she is retiring on Saturday.

The 34-year-old -- who indicated last year this season would be her last -- failed narrowly to defend her Olympic title in London in 2012, taking silver behind great rival Sanya Richards-Ross.

Ohuruogu also won the world outdoor title on two occasions in 2007 and 2013.

“Today is the start of the British Championships and, as I won't be there competing, I feel it is a good time to formally announce my retirement from competitive athletics,” she said in quotes cited by the BBC.

“I didn't feel ready to retire after last season but a combination of my studies and a niggling injury restricted how much training I was able to do this year.”

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