Windsor 50 Ultra Challenge

APR
17
2027
Looped 50 km, 25 km and 10 km routes from Windsor Racecourse through Windsor Great Park and along the Thames Path with supported rest stops and GPS tracking.
Sat 17 Apr 2027
50 kilometers 25 kilometers 10 kilometers

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Windsor 50 Ultra Challenge

The Windsor 50 Ultra Challenge takes place on Sat 17 April 2027 with start and finish at Windsor Racecourse basecamp. The event uses looped routes that pass through Windsor Great Park with views of the Castle, continue toward Runnymede and follow the Thames Path. The 10 km route runs around Eton, Windsor and the Castle area.

Available distances:

  • 50 km: 320 m elevation
  • 25 km: 175 m elevation
  • 10 km: ~25 m elevation

Participants have full support on course. Rest stops are provided at roughly every 12.5 km with larger stops about every 25 km; specific provisions include marquee cover, catering, seating and changing areas. Food and drink are included at rest stops; the 50 km route includes a picnic at 25 km and a hot meal at the finish. Medical staff, paramedics, podiatrists and massage teams are available at rest stops, and a control room monitors progress via timing scans at each stop.

The route is fully signed with pink arrows and is supported by GPS tracking through the event app. Event services at the racecourse basecamp include parking, shuttle transfers to local train stations, baggage storage, a bar and camping. Entry categories include options for walkers aiming for Ultra March qualification and a Trailblazerz category for faster runners. Finishers receive a medal, a T shirt and a glass of fizz. Visit the organization's website for the most recent information.

Events nearby

Multi terrain 5K and 10K trail races in Radnage, Chiltern Hills, raising funds for the village school and including a one mile children's fun run.
A 7-hour time-challenge along the River Thames in Staines with flexible distances from 3 km up to 50 km, themed medals, distance pins, goody bags and aid stations.
Timed lap event on a flat 5.3 km out and back Thames towpath course in Walton on Thames offering distances from 5 km to ultra within a seven hour limit.
A riverside trail run from Alexandra Gardens in Windsor with two measured routes, riverside landmarks, chip timing and a finisher medal.
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