Royle made it two from two producing an outstanding sprint finish to defeat fellow Glasgow Commonwealth Games team mates Dan Wilson and Ryan Bailie.
Royle said he was ecstatic to take out his second win, confirming he will be back in 2015 to defend his title.
“The legends of the sport have won here in Noosa, so to be up there with my name in the book is pretty special. I will be back next year,” he said.
For Royle, the win was an emotion moment following what was a tough race and close competition.
“I said to myself you can do this, you can win this,” Royle said.
“I saw that finish shoot and gave it everything I had. To be honest, I probably wasn’t feeling as good as I did last year – where I did just go from the front from a couple of kilometres into the run.
“This year I felt like my best chance was to sit in, follow the surges and have a little few myself to test it out and then wait for the sprint finish.”
Gentle, who came second in Women’s last year and first in 2012 at the Subaru Noosa Triathlon, said it was amazing to take out her win this year.
“It means a big deal to win Noosa and to get on that Honour Roll multiple times is amazing,” she said.
It was a tough race with fellow competitors including Ironman specialists Liz Blatchford, Swiss Caroline Steffen, New Zealand’s Nicky Samuels and Canada’s Paula Findlay, but Gentle proved she had what it takes to push through.
As they exited onto the run leg Gentle signalled her intentions early, boxed in by Blatchford and Steffen who were running side by side, she pushed through the gap and took the lead and held it until she crossed the finish line.
“I did say excuse me when I pushed into the lead, so at least my manners are okay,” Gentle said.
The pre-race favourite Gentle experienced some nerves leading into the race.
“I really wanted to please the home crowd so coming away with the win today is a bonus,” she said.
More than 20,000 spectators and 12,500 competitors made the 32nd five-day multi-sport festival, one of the biggest yet.
Tourism Noosa CEO Damien Massingham, who also competed in the triathlon, said the sports festival is one of the biggest on the Noosa events calendar, giving local tourism a massive boost.
“The event has grown to a five day event bringing competitors and visitors to Noosa, and the broader region midweek, staying through to the weekend,” he said.
“These visitors spend money throughout the local economy from accommodation, restaurants, retail and activities.”
Competitors are already looking forward to the 2015 Noosa Triathlon Multi-Sport Festival, with entries to events open from 13 November.