Bronte Campbell has ended another of her big sister's streaks, sharing the 2015 Australian Swimmer of the Year award with Emily Seebohm. 
The elder Campbell, Cate, has won the award the past two years but Bronte was rewarded for a breakthrough year, which included snapping Cate's unbeaten run in the 100m freestyle that stretched back to 2012. The younger Campbell was recognised after becoming the first Australian to win the 50/100m freestyle double at the recent world swimming championships in Kazan, with Cate claiming bronze in both.
Bronte's win does mean another slice of history for the sisters, who are the first siblings to have won the award, and sets up an intriguing run in to the 2016 Rio Olympics.
The success of Australia's swimmers in Kazan proved too hard to split as Campbell shared the honours with backstroker Seebohm, who broke her individual gold medal duck at the championships.
Seebohm came home with golds in the 100 and 200m backstroke, while the pair teamed up with Cate and Emma McKeon to win a third gold in the 4x100m freestyle relay. 
The 23-year-old put her Olympic rivals on notice with her win over the USA's reigning champion Missy Franklin in the 200m backstroke.
It is the first time the award has been shared since 2003, when swimming legends Ian Thorpe and Grant Hackett split the honours, at the peak of their powers.