18 events were there in  Caesars Palace Grand Prix . 18 from 18 nations were the competitors in  Caesars Palace Grand Prix . Melbourne (since 1972) were the venues of  Caesars Palace Grand Prix . 5 September 1971 is when  Caesars Palace Grand Prix was established  . late October or early November was when it was held . The sport has the official site chicagomarathon.com
There were 20 games in  Caesars Palace Grand Prix