The decathlon is a combined event in athletics consisting of ten track and field events. The word decathlon is of Greek origin (from δέκα deka [ten] and αθλος athlos [contest]). Events are held over two consecutive days and the winners are determined by the combined performance in all. Performance is judged on a points system in each event, not by the position achieved. The decathlon is contested mainly by male athletes, while female athletes typically compete in the heptathlon.