LONDON :Britain's four-times Olympic track cycling medallist Jack Carlin announced his retirement on Wednesday saying he could no longer give 100 per cent to the sport after a decade of near misses.

The 28-year-old Scottish sprinter took home a bronze and a silver from the Paris Olympics as he did at the Tokyo Games and also was a three-times world championship silver medallist.

But he will not be going for gold in Los Angeles in 2028.

"I took a bit of time away (after Paris) to try and find that fire and urge to go again for another four years," Carlin, whose role modal was fellow Scot and British cycling great Chris Hoy, told reporters in a conference call on Tuesday.

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