Non-competitive community fun run for all ages (children, beginners, hikers, walkers). 3km on forest roads (1.7km) and trail (0.8km) and forest road (0.5km) with alternating uphill/downhill sections. No aid stations. 2-hour time limit. Max 200 participants. Age: 12+ (children 12-18 require guardian permission). Number pickup: 08:00-08:45 race morning. Safety: ΟΜ.Α.Κ Kalamarias with 12 rescuers. All finishers receive souvenir medal, fruit, juice, food, water. No category awards, all participants are winners. Largest group participation awards given (schools, gyms, clubs, neighborhoods if declared in advance). Registration deadline: June 7, 2026. Free entry. Register at: https://www.smfsports.gr/seix_sou_2026/. Contact: races@sdyth.gr