Two clean sweeps in the pool today epitomised the Australian domination in the Commonwealth Games at the Tollcross International Swimming Centre over the past week, but it was not all plain sailing for the usually untouchable Aussies with six of the eight gold medals going elsewhere.
"It feels unreal to get a gold tonight," Larkin said.
"It has been a fantastic week, a long week."
Australia's second medal sweep came in the women's 100m freestyle where Cate Campbell reigning supreme.
The reigning world champion edged her sister Bronte Campbell with a Games record time of 52.68 whilst fellow Australian Emma McKeon came in third in 53.61.
That was it in terms of Australian gold with England and South Africa matching them with two golds apiece, and Wales and Canada sharing one gold each.
Jazz Carlin's gold for Wales was met by the loudest cheers of the evening as she broke a 36-year standing Commonwealth Games record en route to victory in the 800m freestyle.
The Welshwoman's time of 8:18.11 set the crowd into raptures as she secured her nation's first Commonwealth swimming gold for 40 years.
The feat was not lost on the 24-year-old as she let a few tears fall during a memorable medal ceremony in front of the Duke and Duchess of Cambridge.
Falling in beside Carlin on the podium was New Zealand's Lauren Boyle and Canada's Brittany Maclean with silver and bronze respectively.
Commonwealth Games records also fell in the men's 50m breaststroke and 100m butterfly.
The former was claimed by South Africa's Cameron Van Der Burgh in a time of 26.76sec, with fellow South African Chad le Close securing the latter in 51.29.
Van Der Burgh finished just 0.02 seconds ahead of England's Adam Peaty in what proved the closest encounter of the evening.
Australia's Christian Sprenger claimed the bronze with a time of 27.46.
Le Close's final was slightly more clear cut as he finished ahead of Singaporean Joseph Schooling and England's Adam Barrett.
The silver for Schooling was his nation's first ever Commonwealth Games swimming medal.
England's gold medal successes came in the men's Para-swim 200m individual medley SM8 and women's 100m breaststroke as Oliver Hynd and Sophie Taylor both took victory in their respective events.
Hynd secured his gold with an incredible performance in the individual medley where he finished more than eight seconds ahead of closest rival. Australia's Jesse Aungles with a time of 2:22.86.
Aungles' compatriot Blake Cochrane rounded off the podium in third.
Finally, Taylor's time of 1:06.35 in the breaststroke saw her finish almost a second ahead of Australia's Lorna Tonks whilst Jamaica's Alia Atkinson came third.
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