RUNNING belongs to the organizational board of the only and the first obstacle race in Serbia: Kosutnjak Challenge Race from its foundation in 2012. Our RUNNING team is in charge for the race organization, field set up, communications and technical production. Every year this race becomes more and more popular which ended in triple number of applicants in 2014. Concerning the recreational sports events KCR is number one in popularity and visibility among entire Serbia. Race is 5K long and it takes place in Kosutnjak forest/hill in Belgrade. It consists of 5 obstacles that runners need to pass over. These obstacles are kept secret until the race starts and usually consistent of lots of water, mud and slippery hill, ropes etc. The race has recreational character. From 2013 we have upgraded the race by organizing Kosutnjak Challenge Race Junior race for children age 4 to 14 in 3 age groups.