Race to the Stones | 100K Non-stop
Explore the Ridgeway, Britain’s oldest road, along a remarkably isolated and unspoilt corner of Southern England with sweeping chalk downs, ancient forests and the Avebury Standing Stones.
Enter now Charity places- Sat 11 Jul 2026
08:00
Age 18 & over
£185
- 100 km trail running + 3704 ft ascent
Event overview
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
Britain'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 a fully accessible Ultra.
Community
Join the community of thousands of Ultra runners and walkers for guidance, support and camaraderie.
This event is part of Race to the Stones.
Event community
Event details
- Average fitness
- Beginner-friendly
- Event village
- Families
- Spectators
- Teams
Route
- Check points
- Cut off time
- First aid
- Food stations
- Marshals
- Point to point
- Toilets
- Undulating
- Water stations
- Wave start
- Way markers
Location
- Bag transfer
- Paid parking
- Rural
- Toilets
What's included
- Chip timing
- GPS tracking
- Map
- Medal
- Post-race meal
- Race photo
- Training plan
Sustainability
- Bring your own cup
- Public transport links
- Recycling
- Sustainability policy
Do it for charity
Looking to do this event for charity? Do it for one of the charities below or see the full list of charities on the Race to the Stones 100K Non-Stop charity places for 2026 page.
Cancer
Macmillan Cancer Support
No one should have to face cancer alone.
- Technical t-shirt
- Personalised running vest
- Fundraising support
- Fundraising materials
- Training plan
- Training guide
- Online training zone
- Dedicated contact
- Cheer squad on the day
- Refreshments
- Exclusive social group
- Pre-event training sessions
Sign up
£55
Fundraise
£550
How to enter
- Age 18 & over
- Entries open
- Charity places
- Enter online
- Event merch available
- Insurance available
- Pay by instalments
Other races at event
- Sat 11 Jul
- #1 of 5
08:00
Age 18 & over
£90-£180
- 50 km trail running + 710 m ascent
- Sun 12 Jul
- #2 of 5
08:00
Age 18 & over
£90-£180
- 50 km trail running + 630 m ascent
- Sat 11 Jul
- #4 of 5
08:00
Age 18 & over
£175-£275
- 100 km trail running + 3704 ft ascent
- Sat 11 Jul
- #5 of 5
08:00
Age 18 & over
£165
- 100 km trail running + 3704 ft ascent