There are many different routes to a great heptathlon performance. Joyner-Kersee set her world record of 7291 at the Seoul Olympics in 1988 and also won individual gold in her strongest event, the long jump. Ennis-Hill is the fastest hurdler the event has seen, while Thiam seems to be that rare heptathlete that thrives in the javelin. Explore the the strengths and weaknesses of the greatest heptathletes of all time.