Research undertaken at the University of Oslo shows that dope cheats such as Justin Gatlin could still be benefiting from taking banned substances years after initial usage.

Sebastian Coe has questioned the nomination of former drugs cheat Justin Gatlin as one of the IAAF's athletes of the year after the new research in to long-lasting effects of steroids.

Despite being undefeated in the 100 and 200 metres this season, Justin Gatlin has failed to make the three-man shortlist for the IAAF 2014 World Athlete of the Year, following a two-week voting process.

Former Olympic champion and convicted drugs cheat Justin Gatlin has been handed a new sponsorship deal by Nike, sparking outrage in the Athletics world.

Justin Gatlin could win world championships and go undefeated for a second consecutive season but he would still not be ineligible for the sport's athlete of the year award.

MARTIN SAMUEL - CHIEF SPORTS WRITER: Long before IOC president Thomas Bach received the call that brought the 2020 Games to an abrupt close, the Olympics were already done.

The Duchess of Cambridge, 37, is allegedly working on her tennis game at the Hurlingham Club in Fulham, west London and is often joined by her husband and children.

Australian team boss Kitty Chiller confirmed on Monday a laptop and some Zika-protective shirts were stolen during a fire evacuation on Friday when a blaze was sparked by a cigarette.

The Duke of Sussex, 35, attended the event at the Honourable Artillery Company along with 65 sportsmen and women who have been selected for the Paralympics -style competition.

Serena Williams tops Forbes' list of highest-paid female athletes for the fourth year in a row after amassing a huge £24million in 12 months.

It has been a memorable week for Team GB at the Rio Olympics after they took their golden tally to 24 with 58 medals overall with stellar performances from the likes of Laura Trott and Jason Kenny.

Najim Laachraoui - now revealed as the second suicide bomber at Brussels Zaventem Airport - is the younger brother Mourad Laachraoui (pictured), who represents Belgium in Taekwondo.

Leading athletes from Team GB have taken the extraordinary step of launching legal action against the British Olympic Association over 'ridiculous' marketing rules.

The British Olympic Association have said they are 'dismayed' by the legal challenge being pursued by a group of leading athletes against their marketing rules and have issued a robust comeback.

EXCLUSIVE BY RIATH AL-SAMARRAI: The heated marketing row that casts a shadow over Team GB's preparations for the Tokyo Olympics is expected to be resolved next week.

Australian athlete Sally Pearson is reportedly expected to call time on her athletics career due to persistent injuries.

Britain's Katarina Johnson-Thompson and Greece's Katerina Stefanidi said athletes felt forced to continue training despite the health risks because Olympic chiefs say the Games will still go ahead.

Uzbekistan's most decorated Olympian Artur Taymazov has become the 60th athlete and eight gold medallist to be disqualified from London 2012 following analysis of doping samples.

A blind triathlete from Brisbane has been banned from fulfilling his life-long dreams amid a doping scandal, but he claims he's never had anything stronger than coffee.

While the sport reels from Tuesday's ruling that Salazar has been banned for four years, the US Anti-Doping Agency CEO Travis Tygart discussed further details about the Nike Oregon Project.

IOC president Thomas Bach has described Alberto Salazar's ban as 'very worrying' and has called on the World Anti-Doping Agency to look at athletes who worked with the disgraced coach.

EXCLUSIVE BY ROB DRAPER: Travis Tygart, head of the US Anti-Doping Agency who led the prosecution, says Salazar's methods threatened the health of his athletes.

An athlete at the Nike Oregon Project (NOP) run by controversial coach Alberto Salazar provided an anomalous blood sample in 2011, indicating they may have been taking the drug EPO,

The World Anti-Doping Agency has confirmed it will investigate the athletes who worked under Sir Mo Farah's disgraced former coach Alberto Salazar.

It follows an investigation into the data handed over by the Moscow laboratory in January as part of the reintegration process of the Russian Anti-Doping Agency following the state-sponsored doping scandal.

EXCLUSIVE BY MATT HUGHES: American athletes are planning podium protests at the Olympics to express anger at the presence of Russian athletes if they win medals at next summer.

Former athlete Ari Lambie, who worked under disgraced coach Alberto Salazar, has spoken out about the mental and physical pain she went through during her time with him.

The World Anti-Doping Agency are expected to order a ban on Russian athletes competing at the Olympics as well as preventing them from hosting or competing in major international events.

He may have had his ups and downs on the pitch this season, but Neymar is laughing all the way to the bank as it's revealed he is the world's highest-earning athlete under the age of 30.

The earning potential of Team GB stars could dramatically increase before Tokyo 2020 if the British Olympic Association gets approval to relax 'stifling' sponsorship rules.

The judge in Oscar Pistorius' trial said he can't be found guilty of murder but that he was negligent in the killing of girlfriend Reeva Steenkamp, raising the possibility of a culpable homicide charge.

Oscar Pistorius stood unmoved and expressionless in the dock as he was found guilty of the manslaughter 19 months after shooting girlfriend Reeva Steenkamp to death.

The athlete is believed to have paid his legal team as much as £5,400 a day to fight the charge that he murdered his girlfriend Reeva Steenkamp at his Pretoria home during a seven-month trial.

In a wide-ranging interview, Pistorius's older brother Carl, 29, has provided the most detailed picture yet of his brother’s new life at Kgosi Mampuru prison.

Online joke store Jokers' Masquerade is selling the sickening Oscar Pistorius ‘fancy dress’ attire for £24.99 five years after he shot dead girlfriend Reeva Steenkamp in South Africa.

The world's most expensive ever footballer, Neymar, completes the top three as footballers dominate the podium spots of Forbes list of the 100 highest paid athletes .

It's boxing versus basketball. Floyd Mayweather Jr is far from happy after he was snubbed for the Male Athlete of the Decade in favour of NBA star LeBron James.

EXCLUSIVE: The Government are set to recommend that all UK sportspeople agree a coronavirus charter before returning to competitive action, Sportsmail understands.

The retired American swimmer, who is the most decorated Olympian of all time with 28 medals, including 23 golds, suffered depression and has offered to support anyone who needs help.

Mo Farah and Christine Ohuruogu were yesterday named Britain’s athletes of the year at the British Athletics Writers’ Association’s awards in London.

MIKE DICKSON: Having witnessed Andy Murray emerge from a Scottish backwater to break the mould of underachieving British tennis I should have known better.

Anna McNuff has arrived in Wimbledon, London, after running 2,620 miles from the Shetland Isles, today. She hopes to show girls 'doing things that scare them, big or small, can be incredible'.

EXCLUSIVE BY LAWRENCE BOOTH: Chris Wood never quite considered killing himself, but he did wonder about the point of living. Cricketer by day, gambler by night.

Elodie Clouvel, a world champion modern pentathlete, said she believed she and her partner - another athlete - caught the virus while at the competition in Wuhan from October 18 to 27.

The global spread of coronavirus has led to officials postponing the 2020 Tokyo Olympic Games. For athletes, the delay evokes mixed emotions. WSJ spoke to five athletes from around the globe to understand what the postponement means to them. Photo composite by George Downs

Kashmiri athletes like Afreen Hyder, Aijaz Hassan, Vilayat Hussain and more have to make do with the restricted spaces and still stay fit during Covid-19 lockdown.

NSFs and State Olympic Associations have been asked to collect feedback from the stakeholders such as athletes, coaches, support staff, central and state government ministries, match officials and sports administrators

Athletes always must go out carrying the proper documentation showing that they are allowed to be out, otherwise they can be subjected to fines.

Sania Mirza said she is proud apart from cricket, the biggest sports stars in India are women athletes

Director of World Players' Association said players were willing to take a calculated risk to resume their sporting careers, social distancing rules cannot be adhered to in most sports.