Windsor 50 Ultra Challenge
Windsor, United Kingdom • 18 Apr 2026
Windsor 50 Ultra Challenge : event overview
The Windsor 50 Ultra Challenge takes place from a basecamp at Windsor Racecourse on Saturday 18 April 2026. It offers looped routes through Windsor Great Park, Runnymede and along the Thames Path, with sections that pass Eton and views of Windsor Castle. Distance options are 50 km, 25 km, and 10 km. The 50 km is run as two 25 km loops in a figure-of-eight. Reported elevation figures are 320 m for the 50 km, 175 m for the 25 km, and about 25 m for the 10 km.
On-course support, categories and entry details
The event provides covered rest stops approximately every 12.5 km, with major rest stops every 25 km. Rest-stop services include marquee cover, catering, seating, medical and welfare tents, changing rooms, and massage teams. The route is fully signed with pink arrows and GPS maps in an event app; participants are scanned at rest stops and progress is monitored by a central Control Room. Catering notes: snacks and drinks at regular stops, a picnic at the 25 km mark, and hot food at the 50 km finish. Support options listed include parking, shuttle buses and transfers.
Entry options include self-funded places and several charity funding models. Additional categories include an Ultra March option for walkers, a Trailblazerz option for faster competitive runners, and a Solo Challenger start option. Prices listed for self-funded entries are £139 (50 km), £89 (25 km), and £39 (10 km). Visit the organization's website for the most recent information.