Ultrabug est un ultra marathon de 100 km sur 3 jours, dans le petit village du Fundu Moldovei, Roumanie.
Ultrabug is a 100km 3-day, fully supported ultra marathon through the winding mountain footpaths, mineral water streams and remote culture rich villages in the Carpathian Mountains, Romania.
It is suitable for all fitness levels and is a great first time ultra.
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