Dedication commemorating institution of Great Panathenaia?

IG I3 507 Date: 566/5 BC (?)
 
Face A (front)
[They organised (epoiesan)] the race (dromon),[1] [the religious officials? (hieropoioi)[2] Kr?]ates, [Thras?]ykles, Aristodikos, Br[yson], Ante[nor?], [who] first arranged the contest (agona)[3] for the (5) bright-eyed[4] maiden.
Face B (back)
[[-]][5] Kinesias.