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

Windsor Trail Run Half Marathon and 10K on 30 August 2026 in Alexandra Gardens featuring flat trail routes, chip timing, race photos and post-race goodies.
Day nine of the Duck n Run Totally Quackers series on 30 August 2026 in Walton on Thames features timed laps on a flat riverside out and back course, with distances from a single 3.28 mile lap up to an ultra within seven hours.
Scenic mixed terrain running at Remenham Farm beside the Thames with a half marathon, 10K and junior race, chip timed results and themed medals.
Choose a half marathon or full marathon along a flat, scenic riverside towpath from Walton on Thames to Hampton Court and back, run in laps for easy pacing. Limited places and medals for all finishers plus a giveaway for every entrant.
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