Race Sheet Abbreviations
To help you read and understand horseracing sheets, here are some common abbreviations.
Horse Color and Sex
b reddish-brown color
blk black color
br brown color
c colt (young male horses, usually four or five years old)
ch chestnut (deep reddish-brown color)
f filly (young female horse, four years old or younger)
g gelding (a castrated male horse)
gr gray color
h a [...]

HORSE RACING: GLOSSARY
across the board: a bet on a horse to place, show or win
all out:  a horse that is putting its every effort into a race
also ran:  a horse that completes a race but wins no money
baby race:  a race for two-year-olds
bearing in or
bearing out:  changing direction from a straight course
blanket finish: the finishing [...]

Although horse racing may no longer be the biggest gambling activity, compared with sports such as football for example, it nevertheless accounts for billions of dollars in wagers each year.
The smart horse racing bettor who is trying to predict the outcome of a race usually devotes a great deal of time to studying and analyzing [...]

In horse racing, payoff odds are determined by the pari-mutual system. According to this betting system, all bets are recorded and the sums wagered on each is totaled. This amount, less a percentage for tax, running costs, etc., is then divided, in proportion to the stake, among those who placed bets on the winner.
Here, in  [...]