Weir to end glittering career

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Six-time Paralympic gold medallist David Weir has announced his track career will come to an end after the Rio 2016 Games.

Weir has also won the men's wheelchair race at the London Marathon on six occasions and claimed half a dozen world championship titles in the T54 classification.

Yet after finishing sixth in the T54 800m final on Thursday to remain without a medal in Rio, the Briton revealed he is set to retire.

"That is my last race on the track," said the 37-year-old.

"That was my decision before I came out here. I want to retire at the London Marathon next year. Give it one more winter's training and then bail out where I started.

"Track racing has moved on so much. It takes a lot out of your body to do everything. I am four years older and I just want to give [the marathon in] London one more crack."

The winner of four gold medals at London 2012, Weir will defend the last of those titles in the marathon on Sunday.

"The marathon I seem more comfortable so we will see, but it's a flat course and it's going to suit the fast guys, Marcel [Hug], people like that.

"I will give it my best shot on Sunday and see what happens."