D) Multiple events competitions:
Events are held over two consecutive days and the winners are determined by the combined performance in all events.
Performance is judged on a points system in each event. Every event has a score table for all possible results.
The winner is the one whose combined scores are the highest.
Women do the Heptathlon, which includes the following seven events:
-100 metre high hurdles
Men do the Decathlon, which includes the following ten events:
-110 metres hurdles