In 2014 and again in 2015, Braden Currie and Jess Simson, both from Wanaka, won the event.
On Saturday, Wanaka was to the fore again as Dougal Allan and Simone Maier won the male and female sections of the race.
But it had been a long wait for the glory on Saturday.
Allan (33) had previously finished second three times and third once.
He won by more than 15 minutes on Saturday, gaining the advantage on the kayak leg and extending it on the final cycling leg into Christchurch.
Allan first competed in 2010. He paid tribute to his family and children for the win and having a "giving it a shot" attitude.
Maier (38) had finished second and third in the event previously but could not be stopped on Saturday, overcoming a two-minute time penalty and also a crash with a camper van while on the bike.
She pulled away in the second half of the race in the kayak and cycle legs to win by almost nine minutes.