Later, Sophie Hosking and Katherine Copeland won gold in the lightweight women's double sculls, and Mark Hunter and Zac Purchase won silver in the lightweight men's double sculls to boost the medal total to nine.
Brothers Richard and Peter Chambers took silver in the lightweight fours, while Alan Campbell won bronze in the single sculls.
In the lightweight division we have Edson Barboza attempting to slow the rapid rise of Tony El Cucuy Fergusonon.
In the Lightweight category Keith Amor and Ryan Farquhar were fastest, lapping at 116.206 and 115.593mph respectively.
Prendes is competing in the lightweight four.
He also won gold in the lightweight division in Sydney.
Marshall is in the lightweight GMAC Bowl Tuesday night.
Kate Bertko, Class of 2006, will compete in the lightweight double sculls.
WOMEN'S LIGHTWEIGHT CREW led the field in the lightweight four with coxswain.
"After that, you'd have to say Mark Hunter and Zac Purchase in the lightweight double.
Katie Taylor of Ireland is an overwhelming favorite in the lightweight division.
