Chiltern Hills 100K
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Chiltern Hills 100K
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£118 - £120
About
Enjoy fantastic scenery as you take on this incredible 100k challenge through the Chiltern Hills, an Area of Outstanding Natural Beauty. Winding your way through Ashridge Esate, Ivinghoe Beacon, Coombe Hill & Bledlow Ridge, you'll be able to take advantage of six fully-stocked aid stations. Come along for your finisher's medal and T-shirt!
100K Ultra Trail
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Sat, 26 Apr 2025
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Chesham, United Kingdom
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Where and when
Location
Chesham, UK
Start times
Saturday, 26 Apr 2025
100K Ultra Trail: 6:00 am
Event summary
Here are the distances available for Chiltern Hills 100K
100K Ultra Trail
100km
£118 - £120
Route information
A 100K ultra marathon along the best and most loved trails within the Chiltern Hills.
Our debut 100K ultra marathon will take place on 26th April 2025 on a route that combines the most loved trails and landmarks within the central Chiltern Hills.
The route starts and finishes in Chesham with runners completing an anticlockwise loop passing many landmarks along the way, including Ashridge Esate, Ivinghoe Beacon, Coombe Hill & Bledlow Ridge.
The first leg covers 15k from the start to Checkpoint 1, with runners travelling along the Chiltern Link trail towards Hastoe. After Checkpoint 1, you'll loop around the beautiful meadows of the Ashridge Estate and through Little Gaddesden, where you'll find Checkpoint 2.
You'll head back to Hastoe for Checkpoint 3 at the 44k mark, where you can access your drop bag. From there, the route continues along The Ridgeway through Tring Park, Wendover, Coombe Hill, Whiteleaf Hill and along to Bledlow Ridge. Checkpoint 4 will be located at the 60k mark at Whiteleaf Hill.
The Bledlow Ridge Village Hall checkpoint marks 75K into the race; the final leg follows a selection of woodland trails through Hampden and along to Great Missenden.
From Missenden, the end is in sight as the loop is complete, and you arrive back in Chesham.
What's included
- Entry to the 100K race
- Event permitted by the TRA/UKA
- Finishers medal & t-shirt
- Chip timing with live results
- Medical support
- Marked/marshalled route
- Six checkpoints
- Drop bag at Hastoe CP.
- Event photos
- Post race meal
How to get there
Chesham, UK
Get full directionsParking
The race start/finish is within walking distance of many public car parks in Chesham.
By Public Transport
It is also easily accessible by train via Chesham station (Met Line and National Rail).
Event day logistics
06:00 Race starts
00:00 Race cut-off time
Age Restrictions
You must be 20 or older to participate in this event.
Navigation
This race will be fully marked with our orange arrows and ribbons,
All runners must also carry GPS navigation, either on their watch or phone, plus a printed map provided at registration.
Mandatory Kit
All runners will be required to carry the following items for the entirety of the run:
- Mobile phone (emergency number saved)
- Route GPX on watch/phone + paper map (provided)
- Waterproof/windproof jacket
- Waterproof trousers
- Additional long sleeve layer (to be kept dry for emergencies)
- Hat or buff
- Reusable soft cup
- Basic first aid supplies (plasters/tape/bandage/foil blanket)
- Headtorch + spare battery
- Refillable water/hydration system (0.5L min)
- Bag/vest to put everything in
- Race nutrition
- Cash or bank card
Aid Stations
There are six checkpoints on the route, at 15km, 29km, 44km, 60km, 75km, 85km. All checkpoints will contain the following items:
- Water
- Coke
- Precision Fuel & Hydration - PH 1000 Electrolyte Drink (pre-mixed)
- Precision Fuel & Hydration - PF 30 Gels
- Precision Fuel & Hydration - PF 30 Chews
- Selection of crisps and sweets
- Pre-made sandwiches (jam, peanut butter, cheese)
- Chia Charge Mini Flapjacks
- Selection of Fresh fruit (banana, orange, watermelon)
- Hot drinks/water available 44k, 60k & 75k
FAQs
Are pacers allowed at the Chiltern Hills 100k?
No, pacers are not allowed at this race.
Can I listen to music during the Chiltern Hills 100k?
Yes, headphones are permitted, however, they must be removed at the start, when at checkpoints and at any road crossings.
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