Punk Panther Nidderdale Way is a trail running series held in Pateley Bridge, North Yorkshire, utilizing the 55-mile Nidderdale Way. The main route is an ultramarathon loop, with shorter options like a half marathon available, catering to a range of running abilities. Punk Panther Endurance Events organizes these races, with Ryk Downes serving as the organiser for the Nidderdale Way event.
The course crosses the Nidderdale Area of Outstanding Natural Beauty, passing Yorkshire landmarks including Ripley Castle, Brimham Rocks, Scar House Reservoir, and How Stean Gorge. The Dark Skies Trail Marathon offers a night-time option from Pateley Bridge, beginning at dusk and following the Nidderdale Way loop towards Scar House Reservoir. This marathon covers approximately 26.5 miles with over 3,800 feet of elevation gain, positioning it between the shorter races and the full 55-mile ultra. The series is suitable for novice ultra runners seeking a supported challenge, while the terrain and distance also provide a demanding experience for seasoned long-distance runners.