Things could well get worse before they get better, but already the signs are that there has been an improvement in the battle against doping.
It may not have matched Wayde Van Niekerk’s 400m World Record feat on the night, but Bolt will be delighted that he has been able to make it three successive GOLDs dating back to Beijing 2008.
Bolt will bow out from the Olympics a legend, and as the 2017 World Championships in London beckons, no doubt he will still be the favourite for a third successive World title.
The Australian Paralympic Team has finished the Rio Paralympics in fifth place on the medal table with 81 medals; 22 gold, 30 silver 29 bronze.
The Games was a fantastic showcase of the sporting abilities of Paralympians.
Look for Spain's 400m medley bronze medallist Mireia Belmonte, Australian Madeline Groves and American Cammile Adams to also be in the medal mix.
Date: 9/19/1988Event: 1988 Winter Olympics Location: Seoul, South Korea Leading up to the 1988 Games, Greg Louganis had already established himself amongst the best divers in our country's history.Two of their athletes, Koki Manunga and Joyce Zakary, failed drugs tests in Beijing and have been suspended, pending further investigations.The number of Kenyan athletes testing positive since 2012 has passed now 30.Just moments before he was officially handed the IAAF presidency, Lord Coe had said athletics was “more than a discussion about test tubes, blood and urine”.The build-up to the World Championships in Beijing had been just that: the leaked database of 12,000 blood samples was littered with suspicious readings and the IAAF took action against 28 athletes after samples were re-analysed from the 20 World Championships.China's Ning Zetao will also have to find more if he wants to add Olympic gold to his world title after nabbing the penultimate semi-final spot ahead of Adrian." data-reactid="32" American Nathan Adrian, trying to repeat as men's 100m freestyle Olympic champion, will be up against it in swimming's blue riband event.