According to Official Guinness Records,
The largest horseshoe sculpture contained 1,071 horsehoes and was created by Donnie Faulk (USA) in Pulaski, Tennessee, United States, with the final measurement being made on 4 September 2006.
The sculpture was a lifesize horse.
For a complete list of 2006 records, please visit 2006 Guinness Records in United States.