5th edition of Armeno Gate Trail Race in Styra, Euboea. Start/finish at the central square of Styra (120m altitude, max 650m). Route: 11km trails, 7km forest roads, 1km asphalt, 1km cobblestone. Elevation gain: +1,150m. Time limit: 5 hours; intermediate cutoff at 10km in 3 hours. 5 feed stations. Age categories (18-29, 30-39, 40-50, 50+) awarded if ≥10 athletes per category. Includes: timing chip, T-shirt (42k), medal, De Socks socks, snack, free photos by Fototrexoume. Early bird fee €20 (Apr-Jun), €25 (Jul-Sep). Organised under the auspices of the Municipality of Karystos and the Region of Central Greece.