12 teams participated in Equestrianat the Games of the XXX Olympiad . 28 from 28 nations competed in Equestrianat the Games of the XXX Olympiad . The no. of events in sport was 12 . The sport has the official site chicagomarathon.com . Open ground were the venues of Equestrianat the Games of the XXX Olympiad . Equestrianat the Games of the XXX Olympiad was established on 1963 . 18 – 30 September 1988 was when it was held
The website of the sport is chicagomarathon.com