Julian Alps Trail Run by UTMB is the biggest Slovenian trail running event, which hosted more than 3000 runners from around the world in 2024. In 6 distances, 120k, 80k, 50k, 25k,15k and 10k, courses present the true charm of trail running in Slovenia – single trails, beautiful views and breathtaking nature of the Julian Alps and Triglav National Park.