Nature Trail Race (NTR) — 110km / +4,045m elevation gain. Semi-autonomous mountain adventure race. Time limit: 18.5 hours. Min. age: born before 2006. Must submit a brief athletic CV listing main races completed and sports activities at registration. Max 150 participants. Mandatory gear (same requirements as VFUT; checked at secretariat): hydration vessel min. 1L, waterproof jacket, emergency blanket, hemostatic spray, elastic bandage, emergency whistle, 2 head torches with spare batteries, extra t-shirt, min. 1,000 kcal food, charged mobile phone (number declared at registration; emergency 112), personal cup. One 30L drop bag transported by organizer to Zarkadiá II aid station. Full hot meal at Zarkadiá II station. Accommodation at Mesochori village included (Oct 23–25): pasta party evening before, breakfast race day, post-race meal; transfers included. Accident insurance and physiotherapy on-site included. Sweep teams and 4th EMAK mountain rescue support course; ambulance on standby. Age group awards: M/W 20-29, 30-39, 40-49, 50-59, 60+. Cash prizes: 1st €200, 2nd €150, 3rd €100 (M/W). Entry fee: €60 (Apr-May), €70 (Jun), €80 (Jul), €90 (Aug). Registration: online form at www.paranestivft.com + bank transfer to IBAN GR9401711960006196136336405; send receipt to grammatiavft@gmail.com or via Viber. Cancellation: 50% refund until Aug 31, 2026; no refund after. Contact: grammatiavft@gmail.com | Tel: 6951218956 / 6930072992 (weekdays 08:00–15:00). Part of VFT 2026 — 20th anniversary edition (Oct 22–25).