Pick 6 (horse racing) - Wikipedia
https://en.wikipedia.org/wiki/Pick_6_(horse_racing)A pick 6 is a type of wager offered by horse racing tracks. It requires bettors to select the winners of six consecutive races. Because of the great difficulty in picking six straight winners, plus the number of betting interests involved, payoffs for successful wagers are quite high, sometimes in the millions of dollars. The pick 6 has its roots in the daily double, the first so-called "exotic" wager offered by horse trac…