equipment
All the regulation equipment used for sporting events, including timekeeping systems, starting pistols, cameras and hurdles.
hurdle 
Barrier used as an obstacle in certain track events; it is placed at regular intervals on the circuit and its height varies depending on the event.
steeplechase hurdle 
Hurdle that the runners must clear in the steeplechase event; it is 36 inches high.
starting pistol 
Firearm used by a judge to signal the start of a race by firing blanks into the air.
baton 
Small, very light wooden or metal stick that is passed from one runner to the next during a relay race.