Usain Bolt says he is looking to spread the Nitro team athletics concept globally after the success of the inaugural event in Melbourne on Saturday.

The athletics world is hoping to cash in on the success of cricket's high-octane Twenty20 format with a new team event spearheaded by Usain Bolt which starts Saturday in Australia.

Jamaican track superstar Usain Bolt plans to concentrate on the 100 metres in the 2017 season which will bring the curtain down on a glorious career in which he has captured nine Olympic gold medals.

Usain Bolt is seriously considering taking up a career as a professional footballer when he bows out of athletics, and is set to spend some time training with German giants Borussia Dortmund.

Sprint superstar Usain Bolt will compete in Australia for the first time when he headlines an innovative team athletics event next year, he said on Friday.

The runners who have lost to Usain Bolt for the past dozen years shower the Jamaican superstar with praise, after he completes his historic "triple-triple" in what he has said will be his final Olympics.

Usain Bolt put the seal on a glittering Olympic career with a blistering 4x100m relay victory that clinched sprint's first ever 'triple triple'. With his unprecedented third straight 100m, 200m and 4x100m clean sweep, Bolt joins Carl Lewis and Paavo Nurmi on a record-equalling nine track and field Olympic gold medals.

Factfile on Usain Bolt after his victory in the 200m at the 2016 Rio de Janeiro Olympics Thursday.

Shimmying amid a troupe of semi-naked samba dancers and wise-cracking with journalists, Usain Bolt is determined to bow out of the Olympics with a flourish.

Usain Bolt is promising to let American sprinter Justin Gatlin "feel his full wrath" as he zones in on an unprecedented treble of gold medals.

"My biggest dream at the Olympics is to win three gold medals again. That's my focus, that's what I want," Bolt says in an interview.

German sportswear firm Puma is not worried about the possible imminent retirement of Usain Bolt, the highest profile athlete it sponsors, believing the Jamaican sprinter could be just as valuable off the track.

Sprint king Usain Bolt has praised efforts by athletics chiefs to clamp down on doping in the build-up to August's Olympic Games.

Usain Bolt will embark on the first major test of what he plans to be a triumphant swansong here Thursday as the Jamaican Olympic athletics trials get under way.

Usain Bolt will embark on the first major test of what he plans to be a triumphant swansong Thursday as the Jamaican Olympic athletics trials get under way.

Usain Bolt has told Reuters he would have no problem giving back one of his six Olympic gold medals if a Jamaican relay team mate is confirmed to have failed a drugs test.

Usain Bolt could lose one of the three golds he won at the 2008 Beijing Olympics.

World 100 and 200-meter record holder Usain Bolt of Jamaica opened his 2016 season Saturday with a 100m victory in 10.05 seconds at the Cayman Invitational.

Usain Bolt has made no secret of his desire to one day play for Manchester United, but the sprint king has revealed he has no desire to carry out that ambition while Louis van Gaal remains in charge.