noun
combined event
In skiing, a competition that combines multiple disciplines, such as downhill and slalom.
アルペンスキーの複合競技は、滑降と回転の合計タイムで争われる。
The alpine skiing combined event is contested by the total time of the downhill and slalom runs.
複合 (compound) + 競技 (competition). A straightforward compound describing a multi-discipline sporting event.