ONERUN 2026

One Run is an international race taking place for the eighth consecutive year, simultaneously across multiple countries and continents. The event is known for having been entered in the Guinness World Records twice as the world’s largest half marathon with a synchronized start. The race is open to everyone, with four distances available, and promotes health, accessibility, and community through sport and outdoor activities. This year, we are running in Veliko Gradište, Serbia, on May 23, with the goal of taking part in a new Guinness World Record attempt in Serbia for the first time.

Registration is at Žitni trg in Veliko Gradište from 08:00 to 11:30 in the tent. The race pack includes a race bib with a chip, sponsor gifts, live results, and a diploma in PDF format. The race program includes a warm-up at 12:45, the start of the 5 km, 10 km, and 21 km races at 13:30, and the awards ceremony at 15:30. The event features races of different distances, is open to all ages, and race packs and medals are available to participants. It takes place in the center of Veliko Gradište, with morning registration and afternoon races.