In Upper Hora of Nafpaktia for the 8th time, the two Greek Hellenic Championships Marathon mtb elite & masters will perform along with the open mtb matches 40 & 26km, giving the opportunity to cyclists to take part, to run along the same track with top mountain biking athletes. On Saturday at 18:00, the open race will be 35 km on Sunday at 10.30 the race of 45 and 26 kilometers, as well as the junior bike for children from 4-9 years old.