Start and finish at Kosmas Square. 4-hour time limit. Mixed terrain: trail, dirt, and asphalt. Age limit: 18+. Mandatory equipment: appropriate athletic shoes, windbreaker recommended. Part of the 5th Parnonas Trail Race. Total limit: 200 participants across all races (first-come, first-served). Registration confirmed after bank deposit (Piraeus Bank, IBAN: GR41 0172 5140 0055 1408 2976 070). BIB pickup: Saturday 7pm-10pm and Sunday 7:30am-9:15am at Kosmas Square. Awards: top 3 men and women. Contact: 6989783350. Facebook: ΑΠΣ ΚΑΛΛΙΣΘΕΝΗΣ, Instagram: apskallisthenis & parnonas trail race. Under the auspices of EOLMA-Y.