The term BANNISTER, FOR ONE is a job description for a MILER, which is a 5 letter word. A MILER is an athlete who specializes in running middle-distance races of 1 mile or 1600 meters. The term bannister, for one refers to the person who holds the world record for the mile race. This record has been held by several athletes over the years, with the current record holder being Hicham El Guerrouj of Morocco.