 The 60 metres is a common indoor event and indoor world championship event . Less @-@ common events include the 50 metres , 55 metres , 300 metres and 500 metres which are run in some high school and collegiate competitions in the United States . The 150 metres , though rarely competed , has a star @-@ studded history : Pietro <unk> set a world best in 1983 , Olympic champions Michael Johnson and <unk> Bailey went head @-@ to @-@ head over the distance in 1997 , and <unk> <unk> improved <unk> 's record in 2009 . 
