Ticked off a 10km? Mastered a marathon? Then maybe it’s time to take on a new challenge. Introducing… Race to the Stones.
Whether you’re a first time ultrarunner or a steadfast professional, lace up your trainers for an accessible ultramarathon challenge. Make your own history as you conquer the oldest path in Britain.

Follow in the footsteps of Romans, Vikings and mythical warriors as you take on an ultramarathon for Bristol Children’s Hospital. Pick between 50km per day, or 100km in one go. Whichever challenge you choose, you’ll finish at the breathtaking ancient stone circle at Avebury, Wiltshire.

Start your race here…
What’s Included:
- A training programme tailored to all levels;
- Fully signposted trails suitable in both night and day conditions;
- Pit stops which include tasty snacks for fuel;
- Hot meals, showers, drinks and sports nutrition;
- Qualified medics and clinics in case of injury;
- A finisher’s medal and chip timing throughout the event.
Race to the Stones is open to all experience and fitness levels.

If one ultramarathon isn’t enough…
Check out Race to the King!
FAQs
Buy your ticket on the Threshold/Trail Series website and register with us to let us know! You will receive a branded charity top and any fundraising materials that you might need. We will also be on hand to support you in your fundraising journey.
Yes. You must be 18 years of age to enter Race to the King.
Prices vary depending on which distance and route you choose to tackle.
For 100km over two days (including camping), it is £75. For 100km non-stop, it is £55. For 50km (Day One – Thames Valley or Day Two – Ridgeline, excluding camping), it is £45.
Your minimum fundraising pledge depends on which race you choose to take on. If you’re planning to run 100km in one day or two, you must raise £550. If you’re planning to run 50km over one of the days, you must raise £350.
We would however encourage and support you to raise as much as possible, both in order to help us to cover the costs of the resources you receive but also to raise the maximum amount for Bristol Children’s Hospital or the Neonatal Intensive Care Unit.
Once you have registered with us, you will be shown how to set up an online giving page.
We highly recommend creating a JustGiving page or an Enthuse page to share your story, pictures, the reason for your fundraising and any training updates with friends and family.
They are simple platforms to use, for both yourself and your supporters. All donations made to your page are transferred to us automatically, and it allows supporters to gift aid their donations.
You can create a page by clicking visitng the JustGiving website.
Yes! Race to the King is open to all experience and fitness levels. There will be a supportive team cheering you on, and medics at hand if you have any concerns.