Age requirement: 18+. Athletes under 18 may only enter the 10km with a guardian's signed declaration. Maximum 300 athletes. Time limit: 6 hours. Entry fee cancellation: 80% refund until 26 April; no refund after 26 April. Bib pickup: Sunday 10 May, 08:00–09:00 at the start area; possibly also the day before at club offices (time to be announced). 6 aid stations, 2 checkpoints: STAN 1 ridge ~km 2.5; STAN 2 Gourounorema km 7 (full resupply); STAN 3 Argyris Petaloudas refuge km 9.5 (1,450m); STAN 4 Stergios Chatzigeorgiou refuge km 13.5 (1,650m, checkpoint, full resupply); STAN 5 same as STAN 2 (~km 17); STAN 6 same as STAN 1 (~km 23.5). Award categories: overall men and women + men's age groups M18–29, M30–39, M40–49, M50–59, M60+ + women's categories W general, W18–29, W30–49, W50+. Finisher medals for all finishers. Terrain: 21km trail, 6km forest road. Highest point: 1,740m. Most technical sections: the 'Golgotha' climbs near km 9 (two steep ascents of 200m and 500m). Route: Domatia – STAN 1 – Gourounorema – Argyris Petaloudas refuge (1,450m) – Tsilogiorgi refuge – summit 1,740m – Stergios Chatzigeorgiou refuge (1,650m) – STAN 5 – STAN 6 – Domatia.