Start and finish at Koutouki Cave (Σπήλαιο Κουτούκι), Paiania. Circular dirt route of low to moderate difficulty. Open to participants born in 2009 or earlier. Maximum 700 participants. 100% of race proceeds go towards tree planting on Mount Hymettus. Includes electronic timing, medical support, water stations, finisher medal, and commemorative t-shirt.