BANK OF AMERICA RACING CHALLENGE - Debuting in 1993, the Bank of America Racing Challenge is the richest and most successful program in American Quarter Horse racing today -- a championship series developed for the "World's Fastest Horse." The Bank of America Racing Challenge program provides racing opportunities and lucrative purses for American Quarter Horses throughout the United States, Canada, Mexico and South America. The general rules and conditions for the Bank of America Racing Challenge are contained in the Official AQHA Bank of America Racing Challenge Condition Book applicable to the year in which the Challenge races are conducted. The Official Challenge Condition Book is published on AQHA's website and is available by mail.