New emails suggest doping was not limited to Olympic sports.
"I don't know how serious he is," Farah says, "But I fit in with all the stuff he doesn't want to accept."
A report found up to half of anti-doping tests could not be completed.
Farah has received two Therapeutic Use Exemptions (TUEs) in the past eight years.
Alleged Russian hackers have released confidential data of U.S. and U.K. athletes, including Bradley Wiggins and Venus and Serena Williams.
Van Niekerk set the 400 meter world record at Rio 2016.
Ilse Hayes has got two silver Paralympic medals in the 100m. She's determined not to retire without a gold.
Serge Gnabry looks set to leave the club.
The Senate is due to vote Tuesday whether to oust her as president.
The Paralympics sees people battle against the challenges posed by "normality."
Russia's Olympians are being handsomely rewarded by the Kremlin.
The U.S. swimmer said he and three team mates were robbed at gunpoint during the Olympics.
Craig Spence, of the IPC, believes the 267 members of the Russian team are owed an apology.
The Nigeria captain tells Newsweek about his medal joy and how the country's football federation can do better.
"If you help, we can make my silver become more precious than any gold," Malachowski wrote.
Despite the doping scandal, athletes pleased the Kremlin by winning 56 medals.
Members of Ireland's Olympic council allegedly sold tickets allocated for athletes' families.
Brazil breathed a collective sigh of relief at having pulled off South America's first Games.
American Matthew Centrowitz takes gold in the 1,500M, adding to the U.S.'s track medal count.
Defending champion Nicola Spirig-Hug takes silver, Brit Vicky Holland earns bronze.
The Jamaican easily defeated his rivals in the Olympic Stadium.
Footage casts more doubt on swimmers' report of being robbed at gunpoint in Rio.
Kemboi won two Olympic gold and four world titles in the 3,000 meter steeplechase.
The 33-year-old Team GB ambassador is on life support.
Nigeria's footballers will now face Honduras in the bronze-medal match.