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A daily double is a parimutuel wager offered by horse and dog racing tracks in North America. Bettors wager on the winners of two races, pre-designated by the track for a particular race day. The Daily Racing Form's glossary defines a daily double as two consecutive races.. Because of the increased difficulty of picking two straight winners, winning daily double bets pay off at higher odds than betting both horses to win, or even parlaying them, due to the lack of a second win takeout. The daily double is usually the first two races on the card, but most racetracks have now included a "late daily double"