 There are two types of field events : jumps , and throws . In jumping competitions , athletes are judged on either the length or height of their jumps . The performances of jumping events for distance are measured from a board or marker , and any athlete overstepping this mark is judged to have fouled . In the jumps for height , an athlete must clear their body over a crossbar without knocking the bar off the supporting standards . The majority of jumping events are unaided , although athletes propel themselves vertically with purpose @-@ built sticks in the pole vault . 
 <a href='dey_it' title='1'><mark>There</mark></a> are two types of field events : jumps , and throws . In jumping competitions , athletes are judged on either the length or height of their jumps . The performances of jumping events for distance are measured from a board or marker , and any athlete overstepping this mark is judged to <a href='been_done' title='2'><mark>have</mark></a> fouled . In the jumps for height , an athlete must clear their body over a crossbar without knocking the bar off the supporting standards . The majority of jumping events <a href='drop_aux' title='3'><mark>are</mark></a>unaided , although athletes propel themselves vertically with purpose @-@ built sticks in the pole vault . 
It is two types of field events : jumps , and throws . In jumpin competitions , athletes r judged on either da length or height of their jumps . Tdaperformances of jjumpinevents for distance are measured from a board or marker , and any athlete overstepping dis mark is judged to done fouled . In the jumps fa height , an athlete must clear their body ova a crossbar without knockin the bar off the supporting standards . The majority of jumping events unaided , although athletes propel themselves vertically with purpose @-@ built sticks in the pole vault .