Circular route starting and finishing at Vavdos primary school (alt. 753m). +250m elevation gain. Suitable for runners and walkers. Registration desk opens 07:15; arrive by 08:15. Route: From the school through village alleys, up to Platanos, right onto the Karodromo. At ~1km the 'Eirini' trail begins heading south (first 2.5km shared with 21K). At km 2.25 the 6K splits left into oak forest. Aid station at km 3.6 (alt. 900m): water, isotonic, snacks, biscuits. At km 4.25 the summit (alt. 940m) with the Prophet Elias chapel and 360° views (Kassandra, Sithonia, Olympus, Athos and more). Then past 'Kazania' (annual festival site), through dense oak forest past the Zoodochos Pigi spring, descending to the village. Past the historic Panagia church and through cobblestone alleys to the finish. Cutoffs: aid station in 1h15; finish in 2h00. Categories: Men 18+; Women 18+. Post-race: pasta meal by Melissa for all finishers.