In 1990 she represented New Zealand in the 400 m hurdles at the World Junior Athletic Championships.
In 2000 and 2004 Summer Olympics, she competed in the single sculls at the Olympic Games, placing sixth and fifth, respectively. She won a silver medal in the 2001 World Rowing Championships in the quadruple sculls.
In 2011 she won the New Zealand Cycling Time Trial Championship.
- "Sonia Waddell-Scown". sports-reference.com. Retrieved 12 February 2010.
- "Rowing's golden couple dream of life off water". New Zealand Herald. 6 October 2000. Retrieved 12 February 2010.
- "NZ's queen of rowing working at full stretch". New Zealand Herald. 25 September 1999. Retrieved 12 February 2010.
- "Rowing: Quadruple sculls continue silver championships". New Zealand Herald. 27 August 2001. Retrieved 12 February 2010.
- Waddell takes the title
- Kilgallon, Steve (4 July 2010). "Team-building all about blind faith". The Sunday Star-Times. Retrieved 12 November 2011.
|This biographical article relating to New Zealand rowing is a stub. You can help Wikipedia by expanding it.|
|This biographical article relating to New Zealand athletics is a stub. You can help Wikipedia by expanding it.|