Triple world champions are few and far between. Teenaged ones rarer still. You can find one of them working in his parents’ plumbing supplies shop in suburban Sydney every Saturday morning when he’s not training, or six days a week in the off-season.
Liam Costello, 19, the slender and immaculately groomed young man who cleans the shop and fills orders for customers is the reigning, three-time Irish Dance world champion. He also has multiple All Ireland, North American and Australian championships under his belt. He won his third Irish Dance world championship in April in Belfast.
“I answer the phone and get all the bits for the plumbers like pipes and faucets and stuff,” says Costello, smiling. “Personally, it’s not what I want to get into but it’s nice to be around family and have some stability.”
When he’s not advising customers on tapware, Costello is preparing for…