The International Association of Athletics Federations (IAAF) World Championships that concluded in the Khalifa International Stadium here last night were the "best in history" in terms of performances according to Sebastian Coe. 

The United States underlined their domination of the International Association of Athletics Federations World Athletics (IAAF) Championships here as they added three golds on the final day of competition to take their count to 14 golds and 29 medals in all.

Lelisa Desisa added an International Association of Athletics Federations (IAAF) World Championships marathon gold medal to the silver he won in Moscow six years ago as he and team-mate Mosinet Geremew headed an Ethiopian one-two on the Corniche in the early morning hours of today.

Sifan Hassan completed her golden double in defiant fashion here at the International Association of Athletic Federations World Championships, following up her 10,000 metres win with the 1500m title on a pulsating night that also contained the greatest shot put contest ever seen.

Local hero Mutaz Essa Barshim delivered a much-anticipated high jump gold here to a Stadium packed as never before with home fans at the International Association of Athletics Federations (IAAF) World Championships 

Salwa Eid Naser of Bahrain became the third fastest woman in history over 400 metres, leaving a shattered Olympic champion Shaunae Miller-Uibo of the Bahamas in her wake, clocking 48.14sec - the fastest time run in 34 years - at the International Association of Athletics Federations (IAAF) World Championships here. 

Grant Holloway earned a breakthrough 110 metres hurdles win here at the International Association of Athletics Federations World Championships on a night when Britain’s Dina Asher-Smith duly delivered on 200m gold.

The United States won three out of four golds on day five of the International Association of Athletics Federations (IAAF) World Championships here as Sam Kendricks retained his men's pole vault title in dramatic fashion and Noah Lyles and Donavan Brazier, both 22, earned their first titles at 200 and 800 metres, respectively.

Karsten Warholm of Norway won one of the most keenly anticipated contests of the International Association of Athletics Federations World Championships here as he held off his two huge rivals, Rai Benjamin of the United States and home athlete Abderrahman Samba, to retain his 400 metres hurdles title.

You know it is hot in Doha the moment you step out of an air-conditioned anything. And, if you wear glasses, you know it is humid when your lenses steam up the moment you hit hot air.

Shelly-Ann Fraser-Pryce of Jamaica returned to the peak of women’s sprinting at the age of 32 as she won her fourth title at the International Association of Athletics (IAAF) World Championships here - 10 years after her first.

Christian Coleman of the United States won the men’s world 100 metres title here in 9.76sec, the fastest time recorded this year, on a night when The Netherlands' Sifan Hassan completed what could be the first part of a golden double here as she won the women’s 10,000m title at the International Association of Athletics Federations (IAAF) World Championships.

A first midnight marathon at a major event saw Kenya's Ruth Chepngetich take the opening gold of the International Association of Athletics Federations (IAAF) World Athletics Championships.

With all three of the big names in the men’s 400 metres hurdles winning their opening heats, the main focus on the opening day of the International Association of Athletics Federations (IAAF) World Championships here fell upon the opening heat of the men’s 5,000m, which saw Guinea-Bissau’s Braima Suncar Dabo stop running to assist a stricken opponent, 33-year-old Jonathan Busby of Aruba, in finishing.

Had it not already been taken, the International Association of Athletics Federation World Championships that start here tomorrow could have used the phrase associated with the Sochi 2014 Winter Games: "Hot. Cool. Yours".