Windsor 50 Ultra Challenge
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Windsor 50 Ultra Challenge
The Windsor 50 Ultra Challenge takes place on Saturday 18 April 2026 from a basecamp at Windsor Racecourse. Routes use the Great Park, Runnymede and the Thames Path and return to the racecourse. The 50 km course is two different 25 km loops that form a figure-of-8. The 10 km route circles Eton, Windsor and the Castle.
Distances:
- 50 km - two 25 km loops, 320 m elevation
- 25 km - loop including the Great Park, 175 m elevation
- 10 km - loop around Eton and Windsor, ~25 m elevation
Support, services and entry options
The event provides signed routes and GPS tracking via an event app. Covered rest stops appear roughly every 12.5 km with larger stops about every 25 km. For the 50 km there are snack stops at ~12.5 km and ~37.5 km, a picnic at 25 km, and hot food at the finish. Medical staff, podiatrists and massage teams are available at rest stops. Shuttle buses, transfers and parking are offered. Finishers receive a medal, a T-shirt and a glass of fizz; food provisions differ by distance. Entry categories include a Solo start option, an Ultra March option for walkers with time-based targets, and a Trailblazerz option for faster competitive runners. Visit the organization's website for the most recent information.