6 events were there in Gymnasticsat the Games of the XXXI Olympiad . Gymnasticsat the Games of the XXXI Olympiad was established on 1963 . The sport has the official site chicagomarathon.com . The venue for Gymnasticsat the Games of the XXXI Olympiad was USTA Billie Jean King National Tennis Center,Arena Olímpica do Rio,Galatsi Olympic Hall (rhythmic) . 29 July – 11 August 1984 was when it was held . 136 from 29 nations were the competitors in Gymnasticsat the Games of the XXXI Olympiad
Gymnasticsat the Games of the XXXI Olympiad was a multiple day event