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Beast of the Blacks 10, 20 & 40 Mile Ultra

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Saturday 14th March 2026

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Entries Open
Wednesday 7th May 2025
Entries Close
Sunday 8th March 2026 at 12:30
Event Min. Age
17 or older
Age Limits
Relative to Event Date (14/03/2026)
Entry Fees
10 Miles   £45.00   
    £48.00   (from 07/08/2025)
20 Miles   £55.00   
    £60.00   (from 07/08/2025)
40 Miles   £75.00   
    £80.00   (from 07/08/2025)
Contact
Event Organiser - Ellen Wood
Phone
07497185411

To enter you must first Log In or Register your Details with SiEntries.

Get ready for an epic new adventure in the Black Mountains! The legendary Beast of the Blacks event is back, and this time, we're taking you on two brand-new, thrilling, and breathtakingly beautiful routes.

With a fresh headquarters in Longtown, we’re showcasing the best of Offa’s Dyke and Beacons Way, delivering an unforgettable experience across stunning landscapes and historic landmarks—including the iconic Llanthony Abbey. This is your chance to push your limits while taking in the raw beauty of one of Wales’ most spectacular mountain ranges.

Whether you're a seasoned trail runner or a passionate adventurer, this year's Beast of the Blacks will challenge, inspire, and leave you craving more. Are you ready to conquer the Beast? Sign up today and secure your spot in one of the most exhilarating events in South Wales.

FULLY MARKED ROUTES - GPX AVAILABLE - LOCAL CAMPING - VILLAGE LOCATION


Facilities:

  • Physios
  • Camping
  • Refreshments
  • Toilets
  • Parking £5 - see below
  • Full Medical Team
  • Barista 
  • Funky sportswear
  • Pizza
  • & more

What you get 

Bespoke medal

Refreshments

Prizes - 1st 2nd & 3rd Hand crafted trophy, designed in Wales - totally unique to us 

              1st Male & Female Vet over 50 & 60

Winning Dog trophies

Dog Medals 

Parking tickets will go into a ballot - winning ticket will have a free entry to our next event

Best picture advertising Limitless Trails on SM during this event will win a free entry to our next event 

Three refuel zones - full support from our amazing staff - refreshments and food - first aid 

Full gallery of pictures 

Online results 

 IMPORTANT 

  • MANDATORY KIT - Waterproof Jacket/trousers, Race vest, base layer, capacity to carry 1/2 litres of fluid, food, map or gpx file downloaded, telephone, hat & gloves, appropriate footwear (trail shoes) first aid kit, foil blanket, head torch & whistle. Mask & Hand sanitiser.
  • No participant will be allowed to participate without full kit. Full kit check at registration with photo ID, spontaneous checks will be carried out on the event.
  • Please note that we are a cup free event - please remember to bring your reusable cup

View the Event Disclaimer / Terms and Conditions.

View the Event Cancellation / Refund Policy.


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Event Location
Llanbedr Hall, Llanbedr, Nr Crickhowell, Powys, NP8 1SR