he Amazing Race 17 is the seventeenth installment of the reality television show The Amazing Race. The Amazing Race 17 features 11 teams of two, each with a pre-existing relationship, in a race around the world.
The seventeenth cycle started on Sunday, September 26, 2010. It aired on CBS in the United States in a special 90-minute episode; then returned to its normal hour-long format the following week on Sunday nights at 8:00 p.m. ET/PT with the season finale on December 12, 2010. The show was again hosted by Phil Keoghan.
This was the final season filmed and broadcast in Standard Definition.
Anesthesiologists Natalie "Nat" Strand and Katherine "Kat" Chang were the winners of the Race, and are the first all-female team to win the American edition of the competition.Overview from themoviedb.org