On the occasion of the World day of Diabetes, the Blue Circle Association for Fight Against Diabetes of the city of Belgrade organized a marathon and a race of support called Blue Circle around Ada, aiming to raise awareness about the importance of physical activity and healthy way of life in the diabetes prevention.

Marathon and race of support were held on Sunday, November 13th, for the fifth year, and were participated by 170 runners from Serbia, Macedonia, Bosnia and Herzegovina and Croatia.