handicap
Betting: 1) Race for which the track handicapper assigns the weights to be carried. 2) To make selections on the basis of past performances.
Harness racing: A race in which performance, sex or distance allowance is made. Post positions for a handicap may be assigned by the racing secretary. Post positions in a handicap claiming race may be determined by claiming price.
head number
The wagering number for the horse or, in the case of a coupled entry, the wagering number of all horses that make up the coupled entry.
heat
A single race or a single trial of a race that is one of a series of races that make up an event (race).
hobbles
A leg harness used for controlling the gait of a pacer or trotter.
home stretch
The final stretch where the finish line is situated.