Beast Of The Beacons

Crickhowell, United Kingdom • 18 Apr 2026

Event overview

The Beast of the Beacons is a trail running event set in the Brecon Beacons National Park on Saturday 18 April 2026. The event uses Llangynidr Village Hall as its main location and finish area. Distances offered include:

  • 10 Miles / 16 KM
  • 20 Miles / 32.5 KM
  • 40 Miles / 65 KM

Entry fees listed are £48 for 10 miles, £60 for 20 miles and £80 for 40 miles. The event is marked and marshalled, and participants must be at least 16 years old on the event date.

Course, kit and facilities

The route follows a mix of trails including forest tracks, ridge sections, reservoir crossings and river passages. Notable features on the route include Pontsticill and Talybont reservoirs, a climb to Waun Rydd, sections near Bryniau Glesision and crossing the Brecon Mountain Railway track at Dolygaer. The course may include rocky paths, mud, steep climbs and occasional snow; wildlife such as red kites is commonly seen.

A full mandatory kit list is enforced with a kit check at registration and random checks on the route; required items include waterproof clothing, a race vest or pack, base layer, map or GPX file, charged mobile phone, hat and gloves, appropriate trail footwear, first aid items, foil blanket, head torch and whistle, and a reusable cup. On-site facilities include camping, toilets, refreshment stalls, physiotherapy, a full medical team and multiple refuel zones. Visit the organization's website for the most recent information.

Race information

40 mi
40 Miles
20 mi
20 Miles
10 mi
10 Miles
Visit the organization's website for the most recent information.
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