Held in memory of the 33 workers who lost their lives at the DEI Megalopoli power plants and mines, organized by the Association of DEI Pensioners of Megalopoli with the Municipality of Megalopoli, GENOP/DEI, and the Arcadia Labor Center. Route starts and finishes at Iroon Polytechniou Square, passing through the town center and DEI facility roads near the Megalopoli A power station and the Marathousa mine before returning. Electronic timing mats at start, 6K, and finish. Aid stations at 3K, 6K (isotonic drink), and 9K, plus water at start/finish. Bib pickup at Iroon Polytechniou Square: Saturday 22/08 17:00-20:00 and Sunday 23/08 12:00-17:30. Finisher medal, participant bag, event t-shirt, and bag check included. Minimum age 18; no medical certificate required, participants run at their own risk. Contact: Association of DEI Pensioners of Megalopoli, Papaioannou 65, tel. 27910 25150.