Coconaut Pomerania Ultra-Trail 100 km (PUT100) is the flagship distance of the annual Coconaut Pomerania Ultra-Trail, starting at 04:00 on Saturday October 17, 2026 from Barłomino in Pomeranian Voivodeship, Poland. The course covers 100 km (official: 100.2 km) with 2,450 m of gain (24.5 m/km) through Kashubian moraine hills, forest gorges (Paraszyńskie Wąwozy), river valleys, and named moraine summits — the highest terrain in Poland's coastal lowlands, described as 'the hardest trail run in the Pomeranian area.'
The race starts before dawn — all runners experience the first hours in darkness — with a 16-hour window to finish by 20:00. A GPS tracker is mandatory and provided by the organiser. Entry costs €0.57/km (245–280 PLN / €57–65). Awards 5 UTMB points and 4 ITRA points (Mountain Level 3).
Gdańsk Airport (GDN) 36 minutes away. Not sold out / 200-runner cap. Founded 2019 / eighth edition 2026. 95 finishers in 2025. Suits experienced runners seeking a low-profile 100km with solid UTMB/ITRA credentials in accessible coastal Poland.