International elite 100-hour ultra-distance race at Pedion tou Areos Park. Greece's only race of this kind, conducted on certified course, recognized for record attempts and qualifying for other events. Open to elite ultra-distance runners aged 20+. Age categories: 20-39, 40-49, 50-59, 60-69, 70+. Two package options: Enhanced (€100) includes meals, rest area with bed, windbreaker; Basic (€30) without accommodation and meals. Awards for top 3 men and women overall, plus first in each age category. 800m certified circular course starting and finishing at the equestrian statue of King Constantine I. Entry and exit exclusively through the gate at the junction of Alexandras and Mavrommateon streets.