For the second time, a running competition for students from the Deliblato’s Paja Marganović Primary School was organised in the Special Nature Reserve Kraljevac on June 10, 2016. The running competition was organised by Dr. Karolina Petrović, an ecologist in the Special Nature Reserve Kraljevac, in collaboration with the Sport Fishing Association Deliblatsko Jezero and teachers from the Paja Marganović Primary School and financially supported by Kovin Municipality. Sixty 1st to 7th grade students participated in the 100 and 200 meters run. The running competition was held on the Spasovina pasture where in the past horse races were held and today it is one of the last refugia of the European Ground Squirrel in Serbia.