Centurion Hundred Hills 50km

The Centurion Hundred Hills 50km is a scenic trail ultramarathon held in the Chiltern countryside, England, starting and finishing at the historic 850-year-old Stonor Park near Henley-On-Thames. The race features two distinct 25km loops, covering 50 kilometers with approximately 4,000 feet of elevation gain. It offers a challenging yet accessible course ideal for first-time ultra runners and those seeking a fast early-season race, with a 9-hour cut-off time.

The route passes through picturesque villages and ancient woodlands, predominantly on trails (80%) with some road sections (20%). The event provides five well-stocked aid stations, full medical support, and a vibrant atmosphere with food and drink vendors for spectators. Visit the organization's website for the most recent information.