In the absence of Jess Ennis-Hill, there has been the emergence of two of Britain's younger heptathletes.
Morgan Lake and Katarina Johnson-Thompson have shown this year that they have the potential to compete with the best in the world.
Johnson-Thompson has already set a British high jump record and won a European indoor silver medal in the long jump since Ennis-Hill announced her pregnancy.
It shows the level of multi-eventers in this country is extremely high. But just who are the best, men and women of the last 20 years?
Here's the top five..