5 September 1971 is when  Caesars Palace Grand Prix was established  . The official site of  Caesars Palace Grand Prix is chicagomarathon.com . The venue for  Caesars Palace Grand Prix was Melbourne (since 1972) . 18 from 18 nations were the competitors in  Caesars Palace Grand Prix . late October or early November was when it was held . The no. of events in sport was 18
The sport  Caesars Palace Grand Prix had less than 13 contestants 