From 1984 to 1996, Helmut Kyrieleis took over the site and the focus shifted to the earlier history of the sanctuary with excavation of the Prytaneion and Pelopion.
Desde 1984 ata 1996, Helmut Kyrieleis fíxose cargo do sitio e a atención centrouse na historia anterior do santuario coa escavación do Prytaneion e o Pelopion.