Bangladesh sprinter Mezbah Ahmed makes his exit from the preliminary round heats of the glamour 100m sprint at the Olympic Stadium in Rio de Janeiro.

The battle to be crowned world's fastest man takes centre stage at the Rio Olympics on Sunday with Usain Bolt facing another showdown with Justin Gatlin where the image of athletics will be on the line.

With crimson lipstick, eye-liner, mascara and a beaming smile, Michelle Carter wins a stunning Olympic shot put gold to sprinkle a little glitz on an event often cruelly ridiculed for the shape of its women athletes.

Rafael Nadal describes his second Olympic gold as "unforgettable" after marking his return from his latest injury misery by partnering close friend Marc Lopez to the men's doubles title in Rio.

In just one performance, Singapore's Joseph Schooling beats swimming great Michael Phelps, takes home his city state's first Olympic gold medal and becomes an instant millionaire.

Rafael Nadal takes a step closer to a double gold medal haul at the Rio Olympics only to find giant Argentine Juan Martin del Potro standing in his way.

There is Michael Phelps. There is Usain Bolt. Kohei Uchimura. Katinka Hosszu. Katie Ledecky... And then there is Yusra Mardani and Rami Anis.

Michael Phelps of the United States won the Olympic 200 metres individual medley on Thursday to capture the 22nd gold medal of his career and become the first swimmer to win the same event at four consecutive Games.

While sprinter Shirin Akter failed to even qualify for the first round of heats, swimmer Sonia Akter did an admirable job and bettered her previous best. Elsewhere golfer Siddikur Rahman was trying to forge a comeback after having disappointed massively on the opening day.

US sensation Simone Biles adds the Olympic women's all-around to her team title for a second gymnastics gold title in Rio on Thursday.

Brazilian football legend Pele posted a message oh his Twitter account to American swimmer Michael Phelps, writing:

Ethiopia's Almaz Ayana smashes one of the longest-held records in athletics to win the 10,000m race.

Chinese swimmer Chen Xinyi fails a doping test at the Rio Olympics, the official Xinhua news agency reports.

South Korean gymnast Lee Eun-Ju, who found herself in the international spotlight after taking a selfie with a North Korean

Tamas Kenderski is a very good swimmer. He just won a bronze medal the other day in the 200m butterfly, behind only

It's been very windy in Rio de Janeiro for the last couple of days. And the wind has often been accompanied by rain, making it quite unbearable at times.

Fijians erupted in celebration Friday, setting off flares and dancing in the streets while a national holiday was declared after the tiny nation won its first ever Olympic medal -- and gold at that.

I'm not the next Usain Bolt or Michael Phelps, I'm the first Simone Biles.

Canadian Penny Oleksiak and Simone Manuel of the United States were inseparable at the finish and even more united in joy after

Chinese Olympic women's swimmer Chen Xinyi tests positive for a banned substance at the Rio Olympics.