Justin Gatlin will run for the United States in Beijing but to much of the athletics world he might as well appear in a vest bearing a giant syringe such is his position as the tangible manifestation of the sport's wretched doping past.
Noah Lyles is the new Olympic 100m champion!
'If you try to use every resource that you have, you won't feel like you've let yourself down. Don't think because wherever you came from that you cannot be successful. No matter if you make an Olympic team, you gave your heart and you put your heart out there to be as successful as you could be.'
Gatlin bowed to Bolt before the pair hugged it out.
American Noah Lyles stormed to his third consecutive world 200 metres title on Friday to underline his status as the best in the business since Usain Bolt.
Justin Gatlin's win in the 100 metres at the World Athletics Championships was "not the perfect script", IAAF president Sebastian Coe said on Sunday.
Veteran American sprinter Justin Gatlin fended off the challenge of a host of Japanese hopes when he won the men's 100 metres at the Golden Grand Prix in Kawasaki on Sunday, crossing the line first in 10.28 seconds.
The members of the US men's 4x100 metres relay team that won silver at the 2012 Olympics have been stripped of their medals following the doping conviction of sprinter Tyson Gay.
Justin Gatlin's coach accused that the masseur applied a mysterious cream to the sprinter on the day he failed a doping test.
Factbox on American Justin Gatlin who won the 100 metres gold at the World Athletics Championships on Saturday at the age of 35.
American sprinter Justin Gatlin won this third successive Rome Golden Gala 100 metres.
Justin Gatlin skipped along the track during his workout, sunglasses on, seemingly without a care in the world.
'The people booing need to read the reports. He has never committed a crime'
The 35-year-old Gatlin, who has served two suspensions for doping offences, ruined retiring Usain Bolt's fairytale farewell on Saturday by beating the Jamaican sprint superstar in a highly anticipated 100m final.
Controversial and currently the world number one sprinter, Justin Gatlin Justin Gatlin said his relationship with organisers of the Beijing World Challenge meeting was 'great' on Wednesday, less than 24 hours after furiously claiming he had been 'kicked out' of the event.
There is no one in the world like this Champion. As he bids farewell to sprinting, Laxmi Negi looks at the invaluable life lessons UB taught the world.
Usain Bolt is eager to reassert his supremacy following an injury-plagued season in which Justin Gatlin took over.
Usain Bolt was beaten into bronze medal position by Justin Gatlin and Christian Coleman who won gold and silver respectively in the World Championships 100 metres final.
"So it's all about how I feel after Rio, if I feel I can really put my body through one more season. If I'm going to be focused and I'm going to be determined. That will determine if I compete after Rio. So we'll see how it goes."
Summary of sports events and persons who made news on Wednesday.
Justin Gatlin blasted out a warning that he is ready to challenge Usain Bolt's 100 metres hegemony when he stormed to a lifetime best 9.74 seconds to win the event in the opening Diamond League meeting of the season on Friday.
Trayvon Bromell, the fastest in the world this year and favourite to win the Olympic men's 100 metres gold, sneaked through the first-round heats as a fastest loser on Saturday, pouring even more intrigue into Sunday's final.
Olympic champion Usain Bolt responded to last week's surprise sprint defeat in Rome by storming to a world-leading time of 19.79 seconds over 200 metres at the Bislett Diamond League meeting on Thursday.
Images from the Day Nine of the 14th IAAF World Athletics Championships at Luzhniki Stadium in Moscow.
Usain Bolt was made to look human by a combination of a Russian rainstorm and a fired-up Justin Gatlin on Sunday but the Jamaican superstar was still good enough to regain his world 100m title in a surging 9.77 seconds.
Olympic bronze medallist Justin Gatlin is not willing to call his surprising 100 metres victory over world record holder Usain Bolt a fluke.
American Gatlin, bronze medallist at the London Games after a four-year doping ban, ran 9.94 seconds to edge Usain Bolt by 0.01 in a race that showed the Jamaican has yet to fully recover from the hamstring injury that dogged him earlier in the season.
Usain Bolt lived up to all the hype of becoming a "living legend" at the London Games, decisively defending his 100-meter title by beating Jamaican training partner Yohan Blake in the defining race of the Olympics.
Usain Bolt of Jamaica won his second straight Olympic gold medal in the men's 100 metres on Sunday, crossing the line in an Olympic record 9.63 seconds. Bolt joined Carl Lewis as only the second man to go back-to-back in track's biggest race.
Tyson Gay beat fellow American Justin Gatlin in the 100 metres while Kenenisa Bekele's Olympic hopes were diluted at the Paris Diamond League meeting on Friday as five world season's best were set on the Stade de France track.
Justin Gatlin won his first title since returning from a four-year doping ban with victory in the 60 metres at the world indoor championships on Saturday as the red-hot Americans grabbed four gold medals and a world record in Istanbul.
Reaction to Gatlin's win and Bolt's surprise defeat:
Eight years after winning Olympic gold and two years after concluding a doping ban, Justin Gatlin secured his return to the Games by running an eye-catching 9.80 seconds to win the 100 metres at the US Olympic trials on Sunday.
World 100 metres champion Justin Gatlin said on Tuesday he is "shocked and surprised" at doping allegations made against his coach Dennis Mitchell, like Gatlin a convicted doper, but added that he sacked him as soon as he heard about the issue.
US sprinter Justin Gatlin clocked 10.17 seconds on Sunday to win his second consecutive 100 metres final since coming back from a four-year doping ban.
In the searing Georgia sun, American Justin Gatlin works alone on resurrecting a sprinting career cast into limbo by a four-year doping ban.
Justin Gatlin, the year's fastest at 100 and 200, had a bye in the 100 at the trials, but plans to challenge Usain Bolt at both distances in the August World Championships in Beijing.
'There are so many guys who are hungry, want to win, are competitive, really talented and great athletes. It doesn't necessarily have to be one guy.'
US sprinter Justin Gatlin overcame a bout of jitters to win his comeback race following a four-year doping ban in 10.24 seconds on Tuesday.