Rasus y Bannau

MAY
2-3
2026
Challenge yourself on the rugged ridgelines of Bannau Brycheiniog with marathon and ultra options starting and finishing in Brecon. Expect stunning summit views, marked routes, checkpoints and a true mountain running experience.
2-3 May 2026
100 kilometers 75 kilometers 43 kilometers

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Rasus y Bannau : event overview

Rasus y Bannau takes place on 2 May 2026 and starts and finishes in Brecon, in the Bannau Brycheiniog (Brecon Beacons) National Park. The event is organised by Run Walk Crawl and has an age minimum of 18. Entry fees are listed per distance. There is a compulsory kit list and GPS files and route maps are provided.

Distances

  • 100K Ultra - 104 km / +5,100 m ascent
  • 75K Ultra - 75.5 km / +3,500 m ascent
  • Marathon - 43 km / +2,000 m ascent

Routes, navigation and support

All routes start at the Theatre in Brecon and climb the north ridge of Cribyn, then proceed east to Fan y Big and along ridgelines. The marathon route turns toward Blaen y Glyn, Torpantau, Corn Du and Pen y Fan before returning to Brecon. The ultra routes descend to Talybont Reservoir, visit Tor y Foel, Craig y Fan Ddu, Taf Fechan Forest, Fan Fawr and Fan Llia. The 100K continues west onto the Black Mountain and Fan Brycheiniog, then traverses summits including Fan Gyhirych and Fan Nedd before rejoining the 75K line above Craig Cerrig Gleisiad and finishing via Pen y Fan.

The course is marked at major junctions and runners must follow the published GPS trace. Checkpoints: nine for the 100K, six for the 75K and four for the marathon; they offer water, hot and cold food, snacks and drinks. A drop bag service is available for ultra distances at approximately 50 km. The event base is Theatr Brycheiniog, Canal Wharf, Brecon, Powys LD3 7EW; parking is in nearby pay-and-display car parks. Visit the organization's website for the most recent information.

100 km
100 Km
75 km
75km Ultra Trail
43 km
Marathon

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