Over the course of the following three years, "Mainz" participated in all of the cruises and training exercises of the High Seas Fleet. These activities began with the annual summer cruise went to Norway, which was followed by fleet training upon the fleet's return to German waters. During the exercises a fleet review was held in Danzig on 29 August. A training cruise into the Baltic followed at the end of the year. In March 1911, the fleet conducted exercises in the Skagerrak and Kattegat. "Mainz" and the rest of the fleet received British and American naval squadrons in Kiel in June and July. The year's autumn maneuvers were confined to the Baltic and the Kattegat. Another fleet review was held during the exercises for a visiting Austro-Hungarian delegation that included Archduke Franz Ferdinand and Admiral Rudolf Montecuccoli. Also during these maneuvers, "Mainz" won the Kaiser's "Schießpreis" (Shooting Prize) for excellent shooting among vessels in II Scouting Group. Her crew also took first place in a cutter race.