ski jumping
Specifically refers to the winter sport of ski jumping.
彼はジャンプ競技で金メダルを取った。
He won a gold medal in ski jumping.
jumping event (track and field)
Refers to track and field jumping events such as long jump, high jump, triple jump, and pole vault.
陸上のジャンプ競技には走り幅跳びや走り高跳びがある。
Track and field jumping events include the long jump and the high jump.