Deleting an event is non-reversible. If the event is not removed from Hytek and you do a sync, it will come back.
Reset Event
Resetting an event will delete all splits and attempts and reset all current heat, lap and competitor information.
Deleting entires for an event will delete all entries and reset all current heat, lap and competitor information.
Reset Meet
Resetting a meet will delete all event, entries, athletes, teams, records and associated information for the meet.