Bolt will be prevented from achieving his lifelong dream of playing for Manchester United by the hamstring injury sustained in his farewell race.

Usain Bolt insisted he had no regrets after Justin Gatlin gatecrashed his farewell in the 100 metres final at the World Championships.

THE relentless rolling on of time changes everything and nothing. 

Justin Gatlin was jeered on to the top of podium as the least popular 100 metres world champion in history returned to the London Stadium to be presented with his gold medal by Lord Coe.

Justin Gatlin's 100 metres gold medal ceremony has been moved from its primetime slot amid fears over the reception the American will receive at the World Championships.

Usain Bolt insisted he had no regrets after Justin Gatlin gatecrashed his farewell in the 100 metres final at the World Championships.

For once victory proved a step too far for Usain Bolt, as perhaps the greatest athlete the world has ever seen denied a golden goodbye in London tonight.

Muhammad Ali stood alone on many fronts, but Joe Frazier, George Foreman and a few others still stood toe-to-toe with him in the ring. Jack Nicklaus contended with Arnold Palmer on the front end of his career and Tom Watson on the back end.

Usain Bolt has warned dopers they risk killing athletics and urged them to clean up their act for the sake of the sport.

Usain Bolt knelt down to kiss the finish line goodbye as he greeted an emotional eighth Olympic title with a mixture of frustration and relief in Rio.

Usain Bolt admits he cannot be completely sure that his sprint rivals at the Rio Olympics are all clean.

"I'm glad I could come here, run, finish the race, no injuries. I'm going to Rio to defend my titles."

Usain Bolt has given a “thumbs up” to the decision to ban the Russian athletics team from the Rio Olympics because of widespread doping.

Usain Bolt has been included in Team Jamaica's squad for the Rio Olympics despite his injury concerns.

Usain Bolt is determined to recover in time to compete at the Rio Olympics after injury forced him out of the Jamaican National Championships.

Bolt could lose one of his six Olympic gold medals.

Ireland will attempt to channel Usain Bolt's serene confidence in the triumph of class over form at the World Cup, according to Rory Best.

Usain Bolt stormed to the World Championship sprint double at the World Athletics Championships when a runaway segway proved more problematic than Justin Gatlin. Four days on from riding to the rescue of his beleaguered sport in the 100 metres, the Jamaican attempted to make it four successive half-lap world crowns in Beijing.

Usain Bolt again delivered when it mattered as he scorched to the fastest time of 2015 to win a record fourth straight world 200m title in 19.55 seconds and sweep the individual sprints at a global championships for a fifth time. 

He successfully saw off Justin Gatlin, but was upended by a passing TV cameraman.

Usain Bolt beat two-time drug cheat Justin Gatlin to secure the World Championship sprint double.

Usain Bolt and Justin Gatlin will renew their battle for World Championship gold this afternoon after the pair cruised into today’s 200 metres final (1.55pm Irish time, live on BBC2).

“I’m just trying to get through these rounds using as little energy as possible and then give it my best in the final.”

“I’m looking forward to it as it’s my favourite event and something I want more than the 100m."

One of athletics’ nights to remember has seen Usain Bolt claim his third 100 metres World Championship title, edging out Justin Gatlin by a solitary hundredth-of-a-second – but Mark English and Thomas Barr both bowed out of their respective semi-finals.

Usain Bolt rode to the rescue of his beleaguered sport once again as he dashed Justin Gatlin’s hopes of 100 metres gold at the World Championships in Beijing.

Usain Bolt has qualified for the 100m final in Beijing despite a poor start.

The Jamaican sprint star on his diet (sans chicken nuggets), his facial hair and his birthday plans.

Usain Bolt returns to the scene of his first Olympic triumph in confident mood ahead of a heavyweight showdown with Justin Gatlin.

Usain Bolt blew away any fears about his fitness and fired a major warning to Justin Gatlin as he blasted to his fastest 100 metres of the year on his return to London’s Olympic Stadium last night.

Usain Bolt blew away any fears about his fitness and fired a major warning to Justin Gatlin.

Usain Bolt has revealed his sympathy for Mo Farah following the doping allegations surrounding his coach and told him to not let them affect his racing.

Usain Bolt is back in old London town and that is usually good reason to be cheerful, not fearful. 

Usain Bolt has swept all before him on the track – now he is out to conquer the big screen.

Gardaí are hunting for a man wanted in the UK in connection with rape, theft, and assault allegations; Usain Bolt is set to conquer the screens with a road to Rio film; a Russian supply spacecraft spins out of control and Brendan O'Connor’s Saturday Night Show is under fire over comments made about US President Barack Obama. These are some of the latest and most read news on irishexaminer.com this evening.

Usain Bolt is being failed by Jamaican athletics chiefs, according to US Anti-doping Agency boss Travis Tygart.

Usain Bolt has confirmed he will race at the Golden Spike meeting in Ostrava on June 17.