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Conquer Britain’s Oldest Trail

Take on a the UK’s biggest ultramarathon along the ancient Ridgeway, racing towards the 5000-year-old Avebury Standing Stones. Back for the 12th Year Running!

  • Date: 12th – 13th July 2025
  • Start: Lewknor
  • FinishAvebury
  • Cut-off: 25+ hours
  • Price: From £40pp; payment plans available across all packages

Prices across all packages will increase at the end of January – enter now to beat the price rise!

Choose Your Challenge

100k

Non-Stop or Over Two Days

Britain’s oldest road, the Ridgeway, follows the same route over high ground used by herdsmen and travellers since prehistoric times.

Explore a remarkably isolated and unspoilt corner of Southern England through some of its most ancient landscapes, finishing by the 5000-year old Avebury Standing Stones, a UNESCO World Heritage site.

Want to Break It Up?
You can complete Race to the Stones 100k over two days, staying overnight at our iconic basecamp halfway.

  • Date: 12th – 13th July 2025
  • Route: Lewknor to Avebury
  • Distance: 100km
  • Elevation: 1340m

 

 

Day One – Thames Valley 50k

Starting in Lewknor, the Thames Valley 50k presents a varied and scenic route that is steeped in history. Crossing England’s longest river at the halfway mark at the ancient twin villages of Goring & Streatley, the route then heads back up onto higher ground, culminating with a triumphant climb towards our iconic Lattin Down basecamp finish line.

  • Date: 12th July 2025
  • Route: Lewknor to Wantage
  • Distance: 50km
  • Elevation: 710m

Day Two – Ridgeline 50k

Sticking to higher ground throughout, the Ridgeline 50k at Race to the Stones is an ideal choice for your first ultramarathon. Passing through a surprisingly isolated stretch of Southern England, you’ll enjoy dramatic views of the vale to the north before finishing alongside the full 100k at the iconic Avebury Standing Stones.

  • Date: 13th July 2025
  • Route: Wantage to Avebury
  • Distance: 50km
  • Elevation: 630m

Enter for as Little as £40

Every year, Race to the Stones raises thousands for good causes via charity fundraiser participants.

Whether you’re taking on a 50km challenge or tackling the full 100km route, you’ll benefit from reduced entry fees starting at just £40 when you commit to fundraising for charity.

Your charity of choice will part-fund your place and will provide you with all the support and materials to help you reach your target.

Is It For Me?

In a word: Yes.

We believe anybody is capable of conquering an ultramarathon. Our walker-friendly cut-off times, well-stocked aid stations and can’t-miss-it signage help each and every participant make it to the finish line.

Not Ready to Commit?

Register your interest in the Threshold Trail Series to be the first to hear about event updates, offers, and more.

Event Partners
Gold Charity Partners