Definitions for "Clerk of Course"
Keywords:  swimmer, lane, bullpen, deck, swim
The person responsible for assigning heats and lanes to swimmers. Refer to Bullpen.
retains names of all swimmers in all events including relay swimmers in the order in which they swim; swimmers must report to the “clerk of course” as soon as their event is called.
This is the person the swimmer checks in with prior to swimming an event. Lane and heat assignments (for deck-seeded events) are assigned at that time.
Track official, usually riding grey horses, who's duties include assisting jockeys with difficult mounts