Isnt that where it started? All the countries pitch in and build it and keep it there.Then you can provide the upkeep after that
Olympia still has the original marble starting blocks. It's a great place to visit and imagine what a spectacle it must have been. By the way they have a hall of cheats where your family name is carved into stone and athletes spit on it forever when they enter the arena. Greeks did build things to last and had pretty good philosophy.