1.
long jump
A track and field event in which athletes sprint and jump as far as possible into a sand pit.
走り幅跳び is the long jump — a track and field event where athletes sprint down a runway and jump as far as possible into a sand pit.
Forms
Often shortened to 幅跳び (broad jump) in casual contexts.
Cultural note
Athletes must take off before a foul line (踏み切り線) and land in a sand pit (砂場). Distance is measured from the foul line to the nearest mark in the sand.