England, UK · 100K Ultra
Chiltern Hills 100K Ultra
Chiltern Hills 100K Ultra is a 100K Ultra event held in Chesham, England, UK. Its next confirmed date is Saturday, October 2, 2027. About 250 runners take part across all distances.
- Race day
- October 2, 2027
- Location
- Chesham, England
- Field size
- ~250 runners
Race details
- Date
- Saturday, October 2, 2027
- Location
- Chesham, England, UK
- Distances
- 100K Ultra
- Field size
- About 250 runners
- Course
- 5906 ft gain
- Registration
- runawayracing.com
Registration, course & weather
- Registration status
- Open
- Start time
- 7:00 AM
- Course profile
- Loop course; Trail surface; 5906 ft gain (estimated from third-party elevation data)
About the Chiltern Hills 100K Ultra
Chiltern Hills 100K Ultra in Chesham.
More races in Chesham
More upcoming races in England, UK
-
Lakeland Trails HelvellynPenrith, England5K trail run10K trail run15K trail challenge15K trail run
Keep exploring
- All races in England, UK
- 5Ks in England, UK 97 upcoming races
- 10Ks in England, UK 232 upcoming races
- Half Marathons in England, UK 244 upcoming races
- Marathons in England, UK 109 upcoming races
- October races in England, UK
- Races in Wales, UK 65 upcoming races
- Races in Scotland, UK 44 upcoming races
- Races in Northern Ireland, UK 6 upcoming races
Guides from the RaceRove blog
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Chiltern Hills 100K Ultra: common questions
- When is the Chiltern Hills 100K Ultra?
- The next confirmed date is Saturday, October 2, 2027.
- Where is the Chiltern Hills 100K Ultra held?
- In Chesham, England, UK.
- What distances does the Chiltern Hills 100K Ultra offer?
- 100K Ultra.
- How many people run the Chiltern Hills 100K Ultra?
- About 250 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Chiltern Hills 100K Ultra?
- Registration is handled by the organiser at runawayracing.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Chiltern Hills 100K Ultra?
- Yes — registration is open. $142 (from runawayracing.com, checked October 19, 2026).
- What time does the Chiltern Hills 100K Ultra start?
- 7:00 AM.
- What is the course like at the Chiltern Hills 100K Ultra?
- Loop course; Trail surface; 5906 ft gain (estimated from third-party elevation data).
Plan this race in RaceRove
Save it to your plan, compare it with other races and check typical race-day weather in the interactive app.