Complex sentence: This marked the first instance of a death in Paralympic competition, and the first death in an Olympic or Paralympic competition since that of Danish cyclist Knud Enemark Jensen at a time trial in the 1960 Summer Olympics.
Split into simpler sentences: This marked the first instance of a death in Paralympic competition. The previous competition death during the Olympic Games was that of Danish cyclist Knud Enemark Jensen at a time trial in the 1960 Summer Olympics.