The 23-year-old world champion crossed the line in the Ras al-Khaimah half marathon three seconds quicker than the mark set by fellow Kenyan Florence Kiplagat in Barcelona two years ago, although the new record remains subject to ratification.
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.
World 100 metres champion Justin Gatlin said on Tuesday he is "shocked and surprised" at doping allegations made against his coach Dennis Mitchell, like Gatlin a convicted doper, but added that he sacked him as soon as he heard about the issue.
The Indian long jumper could manage only 6.43m to finish a lowly seventh at the IAAF Super Tour in Doha.
Caster Semenya of South Africa took the gold medal in the Olympic 800 meters on Saturday in a personal best time of 1:55.28 seconds.
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.
The India ace's best jump was 6.34 metres, way below the cut-off mark of 6.55m, in the women's long jump at the World Indoor Athletics Championships.
Uttarakhand's Gurmeet Singh turned out to be the winner as a record number of seven Indian 20km race walkers bettered the Rio Olympics qualifying standards on a fast Jaipur course in the National Championships, in Jaipur, on Saturday.
Hot favourite Caster Semenya qualified for the women's 800metres semi-finals at the Rio Olympics with supreme ease on Wednesday and will no doubt be braced for another wave of discussions about her gender should she go on to take the gold medal on Saturday.
Qatar has tried to make itself more attractive to tourists and launched a "Summer in Qatar" initiative this year to try to attract visitors during the brutally hot months of June, July and August.
Costas Kenteris and Katerina Thanou were among a group of Greek athletes to be tested by doctors from WADA.
Factbox on American Justin Gatlin who won the 100 metres gold at the World Athletics Championships on Saturday at the age of 35.
The U.S. Olympic Committee appealed to the Court of Arbitration for Sport against a recommendation to remove all the gold medals from the 2000 Sydney Olympics 4x400 metres squad.
Here is the current state of play among the 28 Olympic sports.
In what may come as an embarrassing revelation for India's anti-doping machinery, 500 sportspersons, mostly weightlifters and track-and-field athletes, have failed drug tests conducted by NADA in the last four and a half years.
Russian tennis player Svetlana Kuznetsova blamed politics for the decision to ban her country's track and field athletes from the Rio Olympics and said it was unfair to group them all together as doping cheats.
Usain Bolt is still in contention to compete in the 200 metres at next month's Olympics in Rio despite missing his country's trials through injury, the Jamaican athletics team boss said on Saturday.
A summary of sports events and sports persons, who made news on Sunday
All the Indians on view on the first day of World Junior Athletics Championship bowled out in the heats.
The IAAF will send a warning to the American sprinter for disrupting this year's World championships but will take no further action.
The discus thrower made the grade after finishing third with a throw of 63.29 meters in an IAAF meeting, in Szombathely, Hungary, recently.
India's 572 athletes hope to return home with an overflowing treasure chest of medals.
The British 4x100 relay team at the 2003 world athletics championships were stripped of their silver medal after Dwain Chambers decided not to appeal against his two-year ban for doping.
A summary of sports events and sports persons, who made news on Tuesday.
The World and Olympic champion broke the 100 metres world record with a time of 9.76 seconds at an IAAF Super Tour meeting on Friday.
Asian Games gold medallist Sudha Singh failed to qualify for the women's 3000m steeplechase final round as she finished a disappointing 12th in the heats in the 14th IAAF World Athletics Championships in Moscow on Saturday.
Haile Gebrselassie would be replaced by Abiyote Abate in a last-minute change to the Ethiopian squad.
The Kremlin on Tuesday dismissed allegations from the World Anti-Doping Agency that Russian athletes were guilty of using banned performance-enhancing substances on a large-scale, saying the assertions were groundless.
A summary of sports events and sports persons, who made news on Wednesday
