Sebastian Blecke started for the Berlin Summer Biathlon Club in 1991 and was trained by Hans-Ulrich Spengler and Dietmar Liedtke. The industrial engineer lives in Berlin . He started in Osrblie in 2004 at the Summer Biathlon World Championships , where he finished 31st in the sprint, 26th in the pursuit and 24th in the mass start race. With Wilhelm Rösch , Frank Röttgen and Steffen Jabin he finished seventh in the relay race. Nationally, the German championships in summer biathlon 2003 were the most successful for Blecke. In the competitions with the air rifle , he won both the sprint title and the mass start title. With the small- bore rifle, he was also runner-up in the relay race with his club. In 2005 he was again bronze medalist with the air rifle in the sprint as well as in the mass start race.