ΕλληνικάAthletes participating in the 104km race should download the gpx file that you find in the race instructions to their watches so they can be 100% committed to the race. Also for those of 104km as for athletes in other distances (40 km 20 km 8 km) can download the application GPX VIEWER to their Android smartphone, or iPhone and download/import the gpx file from our site so they can have the whole route on their mobile and they can see where they are at any time, even if they miss a sign because of tiredness, or concentration on the race. You may also download the following checkpoint signs as photos on your smartphones and browse them in between the race for better information. Route signs are specific with LIME YELLOW SPRAY, LIME YELLOW REFLECTIVE PLASTIC SQUARES, AND LIME YELLOW RIBBONS along the route and more often at the the intersections.