Australia's first medal of the games, however, was won by Tasmanian triathlon competitor Jake Birtwistle, who took silver on Thursday afternoon, beaten only by South Africa's Henri Schoeman.
The Gold Coast is staging the 21st edition of the Commonwealth Games, but cycling and shooting events are being held in refurbished Brisbane venues that were initially built for the 1982 Games.
"I have had an fantastic 14 years diving chasing my dream of representing Australia".
"I've raced against Hannah in every meet and I've been second every time", Willmott said.
"I want the gold medal and I am not going into the ring here to win bronze", said Robertson.
"Obviously it was painful but I wanted to make sure I was comfortably winning.it was my fastest ever 150m split and then I knew, with respect, that the rest was over". Blair Evans of Australia took the bronze.
"It's always tough in a team pursuit getting silver because you just lost the race but after the legs stop hurting we'll let the moment sink in, and realise that what we've accomplished as a team is something to be proud of". I was still a bit soft and slow in that first 200.
Cheptegei told Xinhua news agency on Wednesday that he is giving his 100 percent to ensure he wins the country a gold medal in the 5,000m race.
Australia lead the medal table in the pool on 32, with 11 golds.