Bolting past the finish line.
ave Thompson / PA Archive/Press Association Images
In order to become a better runner, you need to consider these factors first.
Jim Thorpe and Ben Johnson were both banned from the Olympics. But if each had played at different points in history, they would have been allowed to compete.
Nick Lehr/The Conversation
In sports, what's considered fair play has changed throughout history. At one point, even looking 'too poor' was grounds for exclusion.
Will the Winning Edge strategy impact sport participation and limit sports’ abilities to develop Olympic champions?
Australia has had a good start to the Rio Olympics. But does that mean that the strategy created in response to Australia's poor Olympic performance in 2012 is working?
Sprinters may be able to power through, but endurance athletes could suffer from hyperthermia and dehydration.
Going for gold.
After much suspicion and derision, women with hyperandrogenism can compete in international events.
US swimmer Michael Phelps with tell-tale cupping marks.
They look sore but it's fairly harmless – and the effect may really be a placebo.
Gold medal winner Mack Horton (centre) said he had no time or respect for drug cheats in reference to silver medallist Sun Yang.
Rarely do we see such unscripted individual honesty on difficult topics such as doping, right in the middle of arguably the biggest international sporting stage.
Rugby Sevens serves as the perfect example of how lifelong dedication to a single sport might not be the only pathway to Olympic success.
The gold medal-winning Australian women's rugby Sevens team is a shining example of talent transfer from other sports.
Once the pageantry is over, many Olympic athletes have to return to normal life – which means figuring out how to make a living.
A former Olympic gold medalist reflects on his own financial struggles as he trained and competed for the 1984 Games. Decades later, not much has changed for many Olympians.
Athletes seek to gain competitive advantages in lots of different ways and many of these are not banned.
Doping simply gives athletes an advantage that can be compared to other forms of training regimes. So why the moral outrage?
And a little more of that one…
How new therapies could prove a headache for the world of sport.
A close shave…
In foil, epee and sabre, Olympic fencers must have exceedingly rapid reactions. This academic (and fencer) is researching the sport.
Barrier to safety?
The Olympic equestrian favourite is a dangerous business.
News about the sewage and pollution in Guanabara Bay in Rio have caused health concerns among Olympic athletes.
Wastewater treatment systems around the world are hamstrung by outdated tests that don't identify a growing array of pathogens or identify the sources of pollutants.
Against the odds, Rio scores soft-power points with memorable show at Maracanã stadium.
Team GB winning gold at the 2012 London Olympics.
Stephen Pond / PA Archive
Your team mates might be the most effective performance-enhancers.
Unless they start giving Olympic gongs for curmudgeonly whinging, I don’t think I’m in the running “to medal”, as we apparently say these days. I realise I should be feeling a surge of patriotic pride…
The bodies of Olympic athletes are becoming more specialised, more differentiated – and much more extreme.
Over time, the body sizes and shapes of Olympians have been moving apart from each other at light-speed, and have become increasingly specialised and differentiated.
A protester holds up a sticker reading ‘boycott’ during anti-Olympic protests in Brazil.
Protests against the Rio Olympics must be understood in the context of the growing global reaction to both the way these mega-events are organised and the entities promoting them.
Will Rio pull victory out from a shaky run-up to the games?
Will Brazil's troubles in preparing for the Rio Games change the global narrative of the value of hosting the Olympics?