Olympic sprinter Usain Bolt has said he aims to crown his legacy with an unprecedented Olympic three-peat by winning the 100m, 200m and 4x100m relay for the third games in a row in Rio de Janeiro, and will aim to top that off by running the first sub-19 seconds time ever.

Appearing in Midtown Manhattan on 19 April alongside Brazilian football legend Pele, the 29-year-old athletics icon cut the ribbon at the grand opening of the New York City flagship store of Hublot. The fine watch boutique's new location, on Fifth Avenue, was designed by famed architect Peter Marino and will be Hublot's largest retail location in the United States.

As well as aiming to add to his tally of six sprinting gold medals achieved at the games in Beijing in 2008 and London in 2012, the long-striding Jamaican runner said he might not stop there, leaving open the chance that he could extend his career beyond the 2017 season that he previously said would be his last.

"I'm going to be trying to be as focused as possible. This is where my legacy, I think, will make a difference. If I can do the three-peat. It's never been done. So I think I'm going to be a lot more focused," he said.

Bolt said he would run his first race in Cayman, then another in Ostrava, and then at his coach's June meet in Jamaica, before the trials, before competing in the Diamond League meeting in London. Bolt also said his coach, Glen Mills, wants him to leave the retirement door open.

"Coach says I shouldn't say I want to retire just yet, I should focus on the year and see how I feel after the world championships [in 2017]," said the six-time Olympic gold medallist. "And if I still feel like I want to retire, I should. But he says to give it a chance, because I think my coach is pushing for me to go a few more years. We'll see what happens," he added.

"Personally, I don't really want to continue for years and years because it's getting hard. I have to sacrifice more and more. It takes up so much of your time."

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