It was held in 1888–1891,(1888: 5 canonical) . The sport has the official site chicagomarathon.com . 12 (from 4 confederations) were the number of teams who competed in Equestrianat the Games of the XXXI Olympiad . 60 from 34 nations were the competitors in Equestrianat the Games of the XXXI Olympiad . 18 events were there in Equestrianat the Games of the XXXI Olympiad . Equestrianat the Games of the XXXI Olympiad was founded on 1891; 128 years ago (1891) . Riocentro – Pavilion 6 were the venues of Equestrianat the Games of the XXXI Olympiad
Equestrianat the Games of the XXXI Olympiad was held in  Société Athlétique de la Villa Primrose in Bordeaux (1909)