Start and finish at the Central Square of Chalandri (Eleftheroton - Agiou Nikolaou), with the 5.1 km and 8.5 km runners starting together and sharing the first 4 km before the routes split. The course runs through the Rematia stream area and the newly landscaped paths along Hadrian's Aqueduct. Open to men and women born in 2014 or earlier (12+). Runners under 18 need a registration form signed by a parent or guardian. Only one race per runner. Maximum 1,500 participants across all three races (8.5 km, 5.1 km and kids' 1 km); registrations close early if the limit is reached. No on-site registration. Time limit 75 minutes, after which runners continue without organizer support. Aid station at 3 km. Race pack (bib and timing chip) pickup on Saturday 10 October, 10:00-18:00, at the Central KEP of Chalandri (Gr. Gyftopoulou 2 & A. Gkini, Central Square), and on race day at the start area from 07:00 to 08:00. Bag storage at the Central KEP. Cup and medal for the first man and woman overall, medals for 2nd and 3rd place, a finisher medal for everyone and a printable certificate. No age categories. Results on evest.gr. Info: Chalandri Sports Directorate, 210 6897521 and 210 6856410, agonasrematiashalandriou@halandri.gr. Volunteers are welcome through the municipality's website.