AIMS-certified, flat course through central Katerini and along the coastal zone with views of Mt Olympus. Start and finish at Katerini Park. Ages 18+. 3-hour cutoff. Electronic timing with mats at start, 10km, and finish; water at 5/10/15/19km, isotonic drink at 10km, snacks at 15km. Top 3 men and women overall receive medal and cup, plus top 3 per age category (18-29, 30-39, 40-49, 50-59, 60-69, 70+). Includes bib with timing chip, medal, technical t-shirt, photo coverage, medical support, water/isotonic drinks, and post-race snacks. Group registration available for 10+ participants. Bib pickup: Fri 11/9 17:00-21:00, Sat 12/9 10:00-14:00 & 18:00-20:00, Sun 13/9 06:30-08:00, at the Ekavi Cultural Center behind Katerini Park. Contact: apsd.zeus@gmail.com, tel. 2351101867.