Canberra sprinter Melissa Breen has declared her intentions to become a four-time Olympian while training partner and hurdler Lauren Wells is set to finish her career at the 2018 Commonwealth Games.

Genevieve LaCaze has carried her stellar Olympic form into the Paris Diamond League meet, smashing the Australian record in the fastest women's 3000 metres steeplechase of all-time.

Having made the final by the skin of their teeth, Australia's youthful combination of Jess Thornton, Anneliese Rubie,Caitlin Sargent-Jones and Morgan Mitchell failed to make a dent in the women's 4x400m final.

For Australia's 4x400m relay team, it was a tale of a squeak, and then shrieks.

Organisers of the 2018 Gold Coast Commonwealth Games will do all they can to convince athletics superstar Usain Bolt to extend his career to attend their event.

Usain Bolt again stole the show, but there was drama aplenty in the race for third behind the Jamaican and Canada's Andre De Grasse in the 200m final on Thursday night.

Australian decathlete Cedric Dubler has endured a disastrous moment during the second day of his event.

Australian Damien Birkinhead has been eliminated from the men's shot put final after failing to make the top eight after three throws.

Unlucky 13. Unfortunately it's not just superstition for Australia's Josh Robinson.

Australian decathlete Cedric Dubler has said what everyone's been thinking: the crowds at these Olympics are "a little bit of a let down."

Her Olympics campaign was shattered, she faces more rehabilitation and she's never felt worse pain, but Kim Mickle wouldn't change a thing following her dramatic exit from javelin qualifying on Tuesday night.

For Abbey D'Agostino, who helped symbolise Olympic sportsmanship when she fell during a 5000m heat, the Olympics are over.

Australian Brandon Starc entered Tuesday night's high jump final as a rank outsider, and proceedings played to form.

Brooke Stratton came to these Games to make the long jump final. She achieved that aim, but wouldn't mind doing it a bit easier next time.

American triple jumper Will Claye's Tuesday morning was all about jewellery.

Ryan Gregson knows he isn't "someone like Conor McGregor".

Canberra athlete Lauren Wells has advanced to the semi-finals of the Olympic 400-metre hurdles, after an anxious five-minute wait. 

Kurtis Marschall speaks with the youthful exuberance and endearing language of a teenager. It's probably because he is one.

One hadn't wanted to be an Olympian, the other endured a "piggy-back" ride in her heat, but in any case two Australian women have reached the final of the 3000m steeplechase.