Rodopi Ultra Trail (ROUT), is an NGO that organizes every October a tough AdvEnduRun footrace for experienced runners who compete in semi-autonomy conditions a distance of 100 miles (164 kilometres) running along abandoned paths and trails through the tremendous scenery of the Rodopi Mountains National Park in Northern Greece. In addition a 50 miles race "Rodopi Challenge 50M" is organized every April and an introductory to ultra distances race is organized every July (Haidou Trail Party 24K). Last but not least a Volunteers meeting takes place every February in Dasiko Horio, Rodopi mountains,Greece.