Trail race for intermediate to advanced runners. 16km with 400m elevation gain on forest roads (14.5km) and marked trail (1.5km). Course starts/finishes at Sheikh Sou forest entrance kiosk in Ano Toumpa, 100m past Malakopeio Recreation Area above ring road. 3 aid stations: km 4.5 (water only), km 8.5 (water, isotonic, dried fruits), km 12.5 (water only). Cutoff times: 1h 30m at 2nd checkpoint (km 8.5), 2h 30m at finish. Max 300 participants. Age 18+. Number pickup: 08:00-08:45 race morning at Malakopeio. Safety: ΟΜ.Α.Κ Kalamarias with 12 rescuers, 3 vehicles, medical support. Finishers receive medal, food, fruit, juice, water. Awards: top 3 men and women plus age category winners (M: 40-55, 56+; W: 35-49, 50+). Registration deadline: June 7, 2026. Bank transfer: GR1401722730005273093915393 (Piraeus Bank, payee: ΣΔΥΘ) or pay at club office Wednesdays 18:00-20:00. Contact: races@sdyth.gr