American Thoroughbreds raced for purse money in excess of $125 million during the month of May, an improvement of more than 17% over the corresponding figure from 2021, according to figures released Monday by Equibase. During the month, bettors put $1.41 billion through the windows, representing a fractional decrease from last year. Over the course of 399 race days in May--the precise number from 12 months ago--purse money averaged $313,461, up from the $267,712 in 2021. With five months in the books, gamblers have wagered over $473 billion, a healthy...