Windsor 50 Ultra Challenge

APR
17
2027
Looped 50 km, 25 km and 10 km routes from Windsor Racecourse through the Great Park, Thames Path and Runnymede with full on-route support and covered rest stops.
Sat 17 Apr 2027
50 kilometers 25 kilometers 10 kilometers

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About the race

The Windsor 50 Ultra Challenge is a looped trail event based at Windsor Racecourse that uses routes through Windsor Great Park, along the Thames Path, past Runnymede and across surrounding countryside. The event offers full on-route support, covered rest stops and route signing with GPS tracking via a mobile app.

Distances available

  • 50 km figure of 8 route made from two different 25 km loops
  • 25 km single loop including the Great Park
  • 10 km loop around Eton, Windsor and the Castle

The 50 km course lists 320 m of elevation and has rest stops at approximately 12.5 km, 25 km (picnic lunch), 37.5 km and 50 km with a hot meal at the finish. The 25 km route shows 175 m of elevation with a rest stop at ~12.5 km and a picnic at 25 km. The 10 km route has about 25 m of elevation and basic refreshments at the start and finish picnic.

On-course services include marquee rest stops, catering with snacks and drinks, medical cover, podiatrists and massage teams, and a Control Room that monitors progress via the timing system. The route is fully signed with arrows and optional real time tracking for supporters. Event facilities list parking, shuttle transfers, camping, a bar and a finishers pack that includes a medal, T shirt and a post event meal option. Visit the organization's website for the most recent information.

50 km
50 Km Challenge
25 km
25 Km Challenge
10 km
10 Km Challenge

Events nearby

Richmond Park Half Marathon on 23 August 2026 follows a loop of 13.1 miles around Richmond Park via the Tamsin Trail, with on-course refreshments and a post-race goody bag.
A half marathon around Richmond Park on 23 August 2026 following the Tamsin Trail with aid stations and UK Athletics affiliation.
A trail run entirely within Richmond Park offering half marathon and marathon distances, a route past the White House and park lakes, and on-course drinks and feed stations.
30 August 2026 in Alexandra Gardens Windsor offers 10K and half marathon routes with views of Windsor Castle. The event includes chip timing, free race photos and an event village.
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