Ukraine's Roman Avramenko, fifth in the men's javelin, was the only finalist to test positive.
World record holder David Rudisha of Kenya and Ethiopia's defending champion Mohammed Aman cruised through the heats for the 800 metres on a hot and humid opening morning at the world athletics championships in Beijing on Saturday.
Ethiopia's Almaz Ayana put on a brilliant display of front-running to win the women's 5,000 metres at the world championships on Sunday and deprive compatriot Genzebe Dibaba of an unprecedented double gold.
A summary of sports events and persons who made news on Thursday
Images from Thursday's proceedings at the IAAF World Athletics Championships in Doha.
China picked up a first gold medal at their home world athletics championships when Liu Hong led Lu Xiuzhi across the line after the duo blew away the field in the women's 20 kilometre walk on Friday.
Indian athletes will begin their campaign in the World Championships in Beijing, on Sunday.
President, PM hail Hima Das after unprecedented feat
TUEs are issued by sports federations and national anti-doping organizations to allow athletes to take certain banned substances for verified medical needs.
'Believe it or not, I'm one of the fortunate, among very few who reached the world top with a single KIDNEY, allergic with even a painkiller, with a dead takeoff leg.. Many limitations. still made it. Can we call it magic of a coach or his talent.'
Das is the first Indian track athlete to win a medal in the history of this competition.
Double Olympic pole vault champion Yelena Isinbayeva will not compete next year but is fixing her sights on the Rio Olympics in 2016, the Russian said on Thursday.
Dina Asher-Smith seized her golden opportunity to win the World Championship 200 metres on Wednesday and become the first British woman to claim a global sprint title.
The US-based Tejaswin Shankar said he is in his off-season and not in jumping shape yet.
The head of world athletics Sebastian Coe faced fresh allegations about his involvement in the controversial award of the 2021 world championships to the American city of Eugene on Tuesday, but insisted he had acted fairly throughout.
The bespectacled, tattooed 28-year-old, whose world championship triumphs have gone hand in hand with Olympic calamities, completed a hammer double for Poland after Anita Wlodarczyk's equally conclusive triumph in the women's event.
Botswana's Isaac Makwala was refused entry to the London Stadium on Tuesday after earlier being withdrawn from the night's 400 metres final at the World Championships after falling victim to an outbreak of sickness that has hit scores of competitors.
Yelena Isinbayeva is to run for president of the Russian athletics federation (ARAF), the double Olympic pole vault champion said.
Kerala CM seeks wild card entry for Chitra at Worlds
There was plenty of other Track & Field action that demanded our attention and we've given them their due. So scroll down to view some of the best images that went into making this World Championships a memorable one...
The Indian ace cleared 6.61 metres and placed behind the Russian trio of Irina Simagina, Tatyana Lebedeva and Tatyana Kotova in that order.
The Kerala High Court, had on Friday, directed the central government to ensure participation of Chitra in the World Athletics Championships in London next month.
The champion athlete took to Twitter to give out a simple, yet special message on the eve of India's 71st year of Independence.
The 24-year-old Punjab athlete clocked 1 hour 36 minute and 41 seconds, more than two minutes outside her season best of 1 hour 34 minute and one second, to finish 42nd out of 52 competitors who finished the race.
Beat Sergie Bubka by 115 votes to 92 in a ballot of the governing body's 50th Congress
It will be the end of an era for athletics on Saturday when Usain Bolt races for the last time in the men's 4x100 metres relay at the World Championships.
Bolt getting jiggy, Bell being castled and some other exciting action from last week encapsulated by Rediff.com!
She has also booked a spot at the World Athletics Finals in Monaco scheduled for September 9-10.
The prospect of Jamaican sprint legend Usain Bolt missing the Rio Olympics through injury will rightly give organisers and fans palpitations. But track and field's chief administrator, Sebastian Coe, insisted that the Summer Games were not based around one athlete, albeit acknowledging the "genius" of the six-time Olympic gold medallist. Bolt is facing a race against time to be fit in his bid for an unprecedented third treble Olympic gold with the Rio Games just four weeks away.
Turning to new technology to uncover previously undetected substances, the IAAF has initiated disciplinary action against 28 athletes after retested samples from the 2005 and 2007 World Championships found 32 adverse doping findings.
Hansle Parchment of Jamaica was second in 13.03 and Olympic champion and world record holder Aries Merritt claimed bronze in 13.04 seconds.
Tainted Indian sports administrator Suresh Kalmadi has been made Life President of the Asian Athletics Association for his "work in the development of athletics in the continent" during his 13-year tenure as the head of organisation from 2000.
So extreme are the expected conditions that there are growing concerns that many of the runners starting the 26.2 miles (42.195 km) race will not finish
The Russian athletics federation has accepted its ban from the sport in the wake of widespread doping revelations, the International Association of Athletics Federations (IAAF) said on Thursday.
The winners of various events at the Asian Athletics Championships to be held in Ranchi from June 1 to 4 will automatically qualify for the World Championships in London in August, the world body IAAF has said.
Britain's Mo Farah regained his balance after stumbling and almost falling to the track in Wednesday's heats at the world athletics championships to book his spot in the final of the men's 5,000 metres.
Usain Bolt won his third gold medal of the 14th IAAF World Championships on Sunday when he led Jamaica to the gold in the 4 x100 metres relay.
Olympic champions the United States reclaimed their women's 4x400m relay world title as Jamaica suffered more injury heartbreak in the World Championships final on Sunday.*
Double Olympic champion Valerie Adams feels the suspension on Russian athletes from the Rio Games is a positive step towards eradicating doping and the New Zealand shot putter has called for a life ban on drug cheats.