The US swimmer will enter five individual events and three relays at the Athens Olympics in his quest to equal or surpass Mark Spitz's record haul of seven gold medals the 1972 Games in Munich.
A summary of sports events and persons who made news on Thursday.
A summary of sports events and persons who made news on Thursday.
Mandar Divase clinched the 1500 metres freestyle gold with a new Games mark at the SAF Games.
The thick haze that has blanketed parts of Southeast Asia is threatening to disrupt this weekend's World Cup swimming meet in Singapore, with officials considering cancelling the two-day event if the air quality worsens further.
India's dominance went uncontested for the fifth successive day at the 12th South Asian Games, as its shooters, wushu players and track-and-field athletes annihilated competition to sweep most of the gold medals up for grabs, in Guwahati, on Wednesday.
Nisha Millet and Mandar Divse won silver medals in the women's 400m and 1500m freestyle events at the Afro Asian Games.
Joseph Schooling won the men's 100 meters butterfly final on Friday to secure Singapore's first Olympic gold medal and deny Michael Phelps a 23rd in the last individual race of the American's extraordinary career.
The big beasts of Olympic swimming have rolled into Rio, with Michael Phelps and the mighty US team following their Australian rivals, and the buzz of expectation is building.
It was the solitary goal medal won by India in the Asian athletics Grand Prix.
Michael Phelps won the 19th gold medal of his Olympic swimming career on Sunday after helping the US men's team to victory in the 4x100 metres freestyle relay.
Usain Bolt's lack of form combined with his late withdrawal from the Jamaican 100 metres national trials on Thursday have raised more doubts about the future of the world's fastest man.
Rio-bound world champion Adam Peaty gave Britain their first swimming gold of the European aquatics championships on Tuesday with the fastest time of the year in the 100 metres breaststroke.
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.
No means no. No amount of cajoling, arm-twisting and pleading by his team mates and swimming fans around the world will make Michael Phelps change his mind about retiring after the Rio Olympics.
When American Ryan Held needed a supportive shoulder to lean on after claiming an emotional first Olympic medal on Sunday, he found just what was needed in the man who has collected more than any other athlete in the history of sport.
The coach of Jamaican sprinters Asafa Powell and Sherone Simpson said on Tuesday they were not to blame after the Olympic medallists failed dope tests.
Triple jumper Renjith Maheshwary and shot putter Om Prakash Karhana were on Monday rendered doubtful for the upcoming Asian Games though the Athletics Federation of India is yet to take a final call on the matter.
The International Olympic Committee (IOC) dented any slim hopes that Russian athletes might have had of competing at the Rio Games in August by backing the IAAF's decision to uphold its ban on the country for systematic doping.
Summary of sports events and persons who made news on Wednesday
Usain Bolt has told Reuters he would have no problem giving back one of his six Olympic gold medals if a Jamaican relay team mate is confirmed to have failed a drugs test.
Usain Bolt delivered. Mo Farah, Elaine Thompson, David Rudisha, three world records and a dominant United States played their part too, as athletics enjoyed being back in the limelight.
Usain Bolt has already started his preparations for next year's Rio Games and has sent a warning to his competitors.
Usain Bolt of Jamaica won the men's 200 meters gold for the third successive Summer Games on Thursday, crossing the line in 19.78 seconds at the Rio Olympic stadium.
Defending champion Usain Bolt eased through Heat 9 of the 200 metres in 20.28 seconds at the Rio Olympics on Tuesday. Nigeria's Ejowvokoghene Oduduru took second place.
Jamaican sprinters Usain Bolt and Shelly-Ann Fraser-Pryce were crowned male and female World Athletes of the Year for 2013 by the sport's governing IAAF at a ceremony in Monaco on Saturday.
Usain Bolt has somewhat skewed the picture by making it look so easy but when it comes to retaining an Olympic athletics title, history shows that it is an extraordinarily difficult thing to achieve.
All 11 Russian boxers who qualified for the Rio Olympics have been given the all clear to compete at the Games, the International Boxing Association (AIBA) said on Thursday.
World Anti-Doping Agency (WADA) chief John Fahey has slammed Jamaican authorities for failing to accommodate an independent audit of their anti-doping regime until next year.
Missy Franklin was the 17-year-old darling of American swimming in 2012, returning home from the London Olympics with four gold medals and being hailed as the sport's brightest young star.
Six-times Olympic gold medallist Usain Bolt will miss Jamaica's training camp in Japan before the world athletics championships in Beijing later this month, the manager of the Caribbean island's delegation said.
Usain Bolt completed yet another crushing sprint double on Saturday and hardly needed to extend himself to achieve it as he took his third successive world 200 metres title in the year's fastest time of 19.66 seconds - easing down.
Shot putter Inderjeet Singh and half-miler Jinson Johnson bagged a gold each as Indians won eight medals in the first leg of the Asian Athletics Grand Prix Series in Bangkok, on Monday.
Six-times Olympic champion Usain Bolt said he felt shocked and let down by the scandal-hit IAAF, but the Jamaican sprinter was against resetting athletics world records as the sport attempts to move on from the doping crisis.
Usain Bolt's final appearance on the track ended in agony on Saturday as he pulled up injured running the final leg of the World Championships 4x100 metres relay as Britain stunned the United States to win a shock gold medal.
Summary of sports events and persons who made news on Wednesday.
Usain Bolt has enthralled hundreds of thousands in stadiums in Beijing, London and Rio as well as billions around the world.
Always the crown jewel in the Olympic athletics programme, the Rio 100 metres final is shaping up to be extraordinary for many reasons.
Former World double sprint champion Tyson Gay has been suspended for one year after testing positive in 2013 for a banned anabolic steroid, the US. Anti-Doping Agency (USADA) said on Friday.