Coke image of the day. Kyle Chalmers wins gold in 100 meters freestyle at the Rio Olympics 2016.

Rio Olympics 2016. The Finals and Semifinals of the swimming on day 05, at the Olympic Aquatic Centre in Rio de Janeiro, Brazil. Kyle Chalmers wins the Men's 200m Freestyle Final. Picture: Alex Coppel.

Kyle Chalmers wins Gold in the 100m Men's Freestyle during the Rio Olympics 2016 Swim Finals at the Olympic Aquatics Stadium and mum Jodie and dad Brett watch on in the stands. Pics Adam Head

Australia's Cameron McEvoy congratulets Kyle Chalmers winning the Gold medal in the Men's 100m Freestyle Final on day five of the swimming at the Rio 2016 Olympic Games. McEvoy finisehd 7th. Picture. Phil Hillyard

Australia's Kyle Chalmers celebrates winning the Gold medal in the Men's 100m Freestyle Final on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Madeline Groves on the way to a Silver Medal in the 200m Women's Butterfly during the Rio Olympics 2016 Swim Finals at the Olympic Aquatics Stadium. Pics Adam Head

Australia's Kyle Chalmers celebrates winning the Gold medal in the Men's 100m Freestyle Final on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Australia's Mitch Larkin in the men's 200m backstroke semi-final on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Australia's Cate Campbell swims an Olympic Record time in the Women's 100m Freestyle Semi final on day five of the swimmingat the Rio 2016 Olympic Games. Picture. Brett Costello

Australia's 4 x 200m freestyle relay heat on day five of the swimming Tamsin Cook, Bronte Barratt and Leah Nealecheer on Jess Ashwood, the Aussies second fastest at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Australia's Cate Campbell celebrates her Olympic Record time in the Women's 100m Freestyle Semi final with Canada's Penny Oleksiak on day five of the swimmingat the Rio 2016 Olympic Games. Picture. Brett Costello

Australia's Kyle Chalmers celebrates winning the Gold medal in the Men's 100m Freestyle Final on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Kyle Chalmers wins Gold in the 100m Men's Freestyle during the Rio Olympics 2016 Swim Finals at the Olympic Aquatics Stadium. Pics Adam Head

Australia's Madeline Groves wins the silver medal in the Women's 200m Butterfly Final on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Australia's Madeline Groves wins the silver medal in the Women's 200m Butterfly Final on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

RIO DE JANEIRO, BRAZIL - AUGUST 10: Kyle Chalmers of Australia celebrates winning gold in the Men's 100m Freestyle Final on Day 5 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 10, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Rose/Getty Images)

Australia's Mitch Larkin in the men's 200m backstroke semi-final on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Australia's Mitch Larkin in the men's 200m backstroke semi-final on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Australia's Cate Campbell sets another Olympic Record in the women's 100m Freestyle semi-final on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Australia's Cate Campbell set another Olympic Record in the women's 100m Freestyle semi-final on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Australia's Bronte Campbell in the women's 100m Freestyle semi-final on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Australia's Bronte Campbell in the women's 100m Freestyle semi-final on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Dmitriy Balandin of Kazakhstan wins the Men's 200m Breaststroke Final on day five of the swimmingat the Rio 2016 Olympic Games. Picture. Phil Hillyard

Australia's Taylor McKeown in the women's 200m breaststroke he on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Michael Phelps of the USA in the men's 200m individual medley heat on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Australia's Travis Mahoney in the men's 200m individual medley heat on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Australia's Kyle Chalmers celebrates winning the gold medal in the Men's 100m Freestyle Final with Australia's Cameron McEvoy on day five of the swimming at the Rio 2016 Olympic Games. Picture. Brett Costello

Michael Phelps of the USA with Thiago Pereira of Brazil in the men's 200m individual medley heat on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Australia's Cate Campbell broke an Olympic record in the women's 100m freestyle heat on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard

Australia's Bronte Campbell in the women's 100m freestyle heat on day five of the swimming at the Rio 2016 Olympic Games. Picture. Phil Hillyard