Beast Of The Beacons

APR
18
2026
Beast of the Beacons on 18 April 2026 at Gilestone Farm near Tal y Bont offers 10 mile, 20 mile and 40 mile trail races across rugged forest, mountain and reservoir terrain. Marked routes, aid stations and camping support runners.
Sat 18 Apr 2026
40 miles 20 miles 10 miles

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Event details

The Beast of the Beacons is a trail running event on Saturday 18 April 2026 at Gilestone Farm, Tal-y-Bont on Usk, Powys. Distances offered are:

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

Minimum age is 16. Entry fees listed are £48 for the 10 mile, £60 for the 20 mile and £80 for the 40 mile. The course is marked and marshals provide support. GPX files are provided for the routes; the 40 mile follows a reversed second lap of the 20 mile route.

Course and facilities

The route uses trails through forests, mountains, rivers and reservoirs and includes climbs, rocky sections, soft forest trails, mud and occasional snow. Wildlife such as red kites may be seen. Facilities at the event include camping at HQ, toilets, onsite catering and refreshment vans, physio and a full medical team. Parking is subject to a charge.

Checkpoints and rules

There are multiple refuel zones with food and drinks; checkpoints provide options for different dietary requirements including vegan choices, plus electrolytes and water. The event is canicross friendly; dogs must be at least 12 months old, fit to run and kept on a lead, and owners are responsible for their animals. Participants must carry mandatory kit and will undergo kit checks before and during the event. Visit the organization's website for the most recent information.