Start and finish at the Central Square of Chalandri (Eleftheroton - Agiou Nikolaou), with the 8.5 km and 5.1 km runners starting together and sharing the first 4 km before the routes split. A demanding mixed-surface course (dirt and asphalt) through the Rematia stream and along the newly landscaped Hadrian's Aqueduct paths, with a bridge crossing, 10 steps and sharp changes in elevation. Open to men and women born in 2012 or earlier (14+). 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 stations at 3 km and 6 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.