Three of the paddlers are 50-plus and the others 60-plus.
"They are in awe that they can represent New Zealand at their age," Wilson says of the group who have been paddling for only four years.
The group found cohesiveness at their club through word of mouth when one of them struck a rapport to help establish a core group.
"They have church group and work affiliations," she says of women who are administrators, accountants and child carers.
Fifty-four clubs of 2600 paddlers vied for national honours in myriad boat classes over 250m, 500m and 1500m distances.
Horouta Waka Hoe, from Gisborne, won the club points trophy for overall performances at the regatta. It accumulated 236 points ahead of second place Manukau Outrigger Canoe Club on 197 points in a year when teams from Fiji were invited to compete.
Clubs competed in one, six and 12-paddler teams in junior U16, junior U19, Open, master and senior master divisions.
Three others composite Bay squads from Heretaunga and Te Rau Oranga O Ngati Kahungunu clubs are off to Brazil.
They include the J19 women and men squads as well as the premier men.
Te rau chairman Moana Whenuaroa says her club's midget U11 boys' team, including a 16-year-old female steerer, Te Rina Tawhara, made the finals.
A W12 and J16 boys emulated that feat while an Open men's team got as as the semifinals.
Bay's Haeata Ocean Sports Inc won a bronze in the Open women grade while single paddler Manaia Canterbury clinched bronze.
Maraenui Rugby and Sport entered a team in the J16 girls' division for the first time.