Australia's Olympic champion high hurdler Sally Pearson has pulled out of the Rio de Janeiro games after tearing her hamstring in training.
As the curtain comes down on 2013, we look at ten biggest breakthroughs the world of sport witnessed over the last 12 months.
Brianna Rollins equalled the fourth fastest 100 metres hurdles ever run as she clocked a stunning 12.26 seconds at the U.S. world championship trials on Saturday at Des Moines, Iowa.
Embattled Commonwealth Games officials conceded a "major communication blunder" was to blame for Thursday's athletics farce as they continue to grapple with snags at the halfway point of the Delhi event on Friday.
Ivan Ukhov of Russia won the high jump in cold conditions and a light drizzle at the London Olympics on Tuesday.
Fresh from 100 metres glory Jamaica's Usain Bolt begins a highly anticipated 200m title defence at the London Olympics on Tuesday, while women's 100m hurdles world champion Sally Pearson is favourite to go one better than her silver in Beijing.
Australia's Sally Pearson laid down a marker ahead of the London Olympics by winning the 100m hurdles at the Melbourne Track Classic in a scorching 12.49 seconds in drizzly rain on Saturday.
Nigerian Osayemi Oludamola won the women's 100 metres at the Commonwealth Games on Thursday after Australia's Sally Pearson was disqualified for a false start three hours after crossing the line in first place.
Australia's Sally Pearson overcame last week's 100 metres heartbreak to win the hurdles event over the same distance on Monday, collapsing on the track in tears after her golden run.
Australia's Sally Pearson overcame last week's 100 metres heartbreak to win the hurdles event over the same distance on Monday, collapsing on the track in tears after her golden run.
Jamaican Leron Clarke emerged the fastest man of the Commonwealth Games, clocking the second quickest time of 10.12 seconds on Indian soil, while Australia's Sally Pearson won the women's 100m dash in 11.28 seconds on Thursday.
A Commonwealth Games already blighted by high-profile withdrawals suffered a hammer blow on Thursday, when the hosts' top track champion Sally Pearson was forced to pull out with a serious Achilles injury.
Australia's Olympic hurdles champion Sally Pearson has split with her coach Sharon Hannan after 14 years, citing a need for a fresh start.
The 32-year-old Queenslander, who won Olympic 100 metres hurdles gold at the 2012 London Games and the world title in 2011 and 2017, said she had been forced into the decision by a string of injuries.
Usain Bolt returns to centre stage on Saturday and it seems only a catastrophic injury can prevent the Jamaican world record holder from securing a third successive world 200m title and completing another brilliant sprint double.
Aborigines inhabited Australia more than 50,000 years before the First Fleet sailed into Botany Bay near Sydney in 1788 after the country had been declared 'terra nullius', or unoccupied.
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.
While Kapil is an academy member of the Laureus World Sports Awards along with Australian cricket legend Steve Waugh, Yuvraj has been invited in role of an ambassador.
Here are some photographs from the Opening Ceremony:
Australia's Sally Pearson completed one of the great sporting comebacks when she overcame two years of injury agony to win the world 100 metres hurdles title at the age of 30.
Yes, people, it's Fab Friday as the Felix, Farah and Bolt show beckons! Usain Bolt starts his quest for a second world track gold in Moscow but American sprinting great Allyson Felix looks set to steal the limelight as she goes for a fourth world 200 metres title on Friday.
American champion Tyson Gay continued his impressive buildup to next month's World championships on Thursday by winning the 100 metres at Lausanne's Athletissima Diamond League meeting in 9.79 seconds.
Athletes to watch at the Gold Coast Commonwealth Games:
Justin Gatlin blasted out a warning that he is ready to challenge Usain Bolt's 100 metres hegemony when he stormed to a lifetime best 9.74 seconds to win the event in the opening Diamond League meeting of the season on Friday.
Regarded as the Oscar of sports, the nominations for 2018 Laureus World Sports Awards were finalised following a ballot by the world's sports media.
Indian contingent would be aiming to make it all good with strong medal-winning performances when the acutely-low-on-buzz Commonwealth Games start
World champion Asbel Kiprop's relentless pace proved too much for his rivals, including Mo Farah, as the Kenyan clocked the fastest 1,500 metres time since 2004 at the Monaco Diamond League meeting on Friday.
A summary of sports events and persons who made news on Monday.
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...