Macmillan Cancer Support

Explore Britain's oldest path, the Ridgeway, on this epic ultramarathon offering stunning 50K or 100K routes through the stunning Chiltern Hills AONB and North Wessex Downs AONB, en route to the finish line at the mythical UNESCO World Heritage Site, Avebury Stone Circle.

Expect a superb level of support and organisation, on the UK's favourite ultramarathon, with fantastic overnight options at the all-inclusive Basecamp.

Highlights

• UK's oldest trail

  An unforgettable route running towards the UNESCO World Heritage Site of Avebury stone circle.

• Unrivalled support

  World class support whether you set the record or make the most of extended cut offs.

• Accessible terrain

  A fantastic mix of woodland, riverside and ridge trails without the need for technical skill.

• 90% completion rate

  Extended cut off times and medical support at every stage make it the a fully accessible Ultra.

• Community

  Join our community of thousands of Ultra runners and walkers for guidance, support and camaraderie.