They were supported by the top-sports and Olympic athletes: Dubravko Simenc, Karlo Stipanic, Ninoslav Saraga, Martina Zubcic, Ratko Rudic, Stjepan Deveric, Josip Pavic, Damir Martin, Martin Sinkovic, Mihovil Nakic, Igor Boraska and Danira Bilic, who was also the coordinator of the celebration of the Olympic day 2013 By demonstrating sporting skills at the 6th Days of Universal school sports school organized by the Croatian School Sports Federation (in cooperation with the Croatian Olympic Academy and the Croatian Olympians Club), the students showed not only sporting excellence, but also an extraordinary joy of companionship, friendship and mutual respect.

The celebration of COCs Olympic day has the task of promoting the idea of worldwide movement among the youngest, under the slogan – Get moving, learn and discover! The finals of Croatian elementary and high schools sports federations championship, held on April 30th, 2013 in Porec, the town-partner of the COC, were dedicated to the celebration. The Croatian Sports Museum, in cooperation with the Croatian Olympic Academy, organized a workshop on the theme "Pierre de Coubertin - founder of the IOC and the restorer of the modern Olympic Games, in memory of the 150th anniversary of his birth.