A race where a handicapper has assigned weights to be carried by all runners on the basis of their past racing efforts.
Bleeder
A horse that bleeds due to a ruptured blood vessel during a race or workout. The medication Lasix can fix this problem.
Superfecta
A wager involving choosing the first, second, third, and fourth horses in one race in the exact order. A superfecta box involves paying more to ensure they can finish in any order in the top four spots.