16th anniversary edition. Race starts Friday at 00:00 (midnight), 46-hour time limit. Registration opens Friday 8 May 2026 at 20:00 via www.rout.gr and remains open until end of July 2026 (max 150 participants). Participation requirement: completion of at least one mountain race of 50 miles (80 km) or more in 2024, 2025, or 2026. Loop course through the Rodopi Mountains National Park starting and finishing at Dasiko Horio Erymanthos, Haidou, Xanthi. Payment by card online; bank transfer also available (Piraeus Bank IBAN: GR29 0172 3520 0053 5204 7379 743, Beneficiary: RODOPI ULTRA TRAIL).