The breed began in the early 1950s with the finest Racing Homers selected for their breed type. Levi mentions Show Pen Racers in his book The Pigeon.
He describes the early development of the breed in the U.S.A. and early breeders of the variety. In 1952, The American Show Pen Racer Club was formed at the National Show held in Des Moines, Iowa.
As years passed, the word “pen” was removed from the club name and it was officially changed to The American Show Racer Association.
As the breed developed, the standard was updated and in the year 2000, a new standard drawing was created and accepted by vote of the membership. Emphasis is placed on "station" (which includes an upright posture) and a powerful head. The bird should be very smooth feathered.
The American Show Racer Association currently has approximately 150 members in 37 states and seven countries. It is an affiliate club of the National Pigeon Association. A link to the club's official website can be found below.
The breed is popular at the shows. In November 2007 at the Pageant of Pigeons that was held in San Bernardino, California. Approximately 150 were entered by 15 exhibitors.
Source: Wiki