<P> The Amazing Race 21 is the twenty - first installment of the American reality television show The Amazing Race on CBS . It featured eleven teams of two, each with a pre-existing relationship, in a race around the world . </P> <P> It premiered on September 30, 2012, at 8: 00 p.m. ET / PT on CBS and CTV with the two - hour season finale on December 9, 2012 . While the prize for winning the Race remains at US $1 million, if the team that came in first in the first leg had won the race, the prize would have been doubled to US $2 million . </P> <P> The Fabulous Beekman Boys stars and husbands Josh Kilmer - Purcell and Brent Ridge were the winners of The Amazing Race 21 . </P> <P> Season 21 was broadcast during the 2012 fall season on CBS . It spanned a little over 25,000 miles (40,000 km) of travel to three continents and nine countries including China, Indonesia, Bangladesh, Turkey, and the Netherlands, which hosted a Switchback task . </P>

Who won season 21 of the amazing race