"It's taken a long time and a lot of training and there have been quite a few ups and downs."
Scown thanked her dedicated parents and her two siblings for "putting up with my inflexible training schedules".
As well as her bronze in London in the women's coxless pair with Juliette Haigh, Scown took silver at the World Rowing Cup 3 regatta in Munich and bronze at the World Rowing Cup 2 regatta in Lucerne.
She will be competing on home water at the Billy Webb challenge next month.
In other results on the night, football standout James Musa was the Cycle Sport NZ International Junior Sportsperson of the Year.
Splitting awards to international and national level this year, jockey Lisa Allpress was the NZCT National Senior Sportsperson of the Year, while sprinter Tom Symes took the Dub.Dee.See. Youth Committee National Junior Sportsperson of the Year title.
Results: Dub.Dee.See. Youth Committee National Junior Sportsperson: Tom Symes (Athletics); Cycle Sport NZ International Junior Sportsperson: James Musa (Football); NZCT National Senior Sportsperson: Lisa Allpress (Thoroughbred Racing); Gilbertson's Mitre 10 Mega International Senior Sportsperson: Rebecca Scown (Rowing); Stihl Shop Wanganui Club of the Year: Wanganui Multisport & Triathlon Club; Mars Petcare Coach of the Year: Dayle Cheatley (Cycling); Treadwell Gordon Junior Team of the Year: Wanganui Collegiate School Senior Boys Relay Team; Ali Arc Senior Team of the Year: Leighton and Kellie Minnell (Jetsprinting); Sports Edge Administrator of the Year: Lauren Tamehana (Waka Ama); Watkins Motors Masters Award: Allan Luff (Cycling); More FM Whistler of the Year: Matt Stoneman (Football); Infusion Catering Outstanding Conduct Award: Liam Wilsher (Rugby Union); Wanganui Chronicle Supreme Award: Rebecca Scown.