post position
The position assigned or drawn for a horse from which it will start the race.
post race test
A blood or urine sample, taken after the completion of a heat or dash, that indicates the presence of a drug, medication or other prohibited substance.
post time
The time set for the start of a race.
pre-race test
A blood or urine sample, taken prior to the completion of a heat or dash, that indicates the presence of a drug, medication or other prohibited substance.
preferred list
Horses with prior rights to starting, usually because they have previously been entered in races that have not filled with the minimum number of starters.
prop
When a horse suddenly stops moving by digging its front feet into the ground.
