Rasus y Bannau

Rasus y Bannau

Rasus y Bannau is a set of three long-distance mountain trail races on 2 to 3 April 2027, starting and finishing in Brecon and following circular routes through the Bannau Brycheiniog (Brecon Beacons) National Park. The courses follow established ridgelines and footpaths, with prominent climbs and summits including Cribyn, Fan y Big, Carn Pica, Craig y Fan Ddu and Pen y Fan.

Distances offered:

• 100 km Ultra: 104 km, +5,400 m ascent, 30 hour limit
• 40 mile Ultra: 65 km, +2,947 m ascent, 16 hour limit
• Marathon: 26.5 miles, +2,029 m ascent, 15 hour limit

Route notes describe early ridge climbs out of Brecon, a mix of runnable sections, waterfall complexes and forested valleys, and distinct line choices for each distance as the courses traverse the Beacons Way and parts of the Black Mountain. All routes include marked junctions and require navigation using the published GPS trace and route signage.

There are checkpoint stations—seven for the 100 km, five for the 40 mile, and four for the marathon—offering refreshments and more substantial food. The 100 km race has a drop bag service at CP5 Glyntawe (approximately 39 miles). A compulsory kit list applies and mountain safety teams provide emergency first aid cover. Entry fees cover checkpoints, timing, GPS tracking, route markings, finishers medal and race photography. Participants must be fit, able to navigate with GPS and map, and prepared for mountain conditions and potential night running on the ultra distances. Visit the organization's website for the most recent information.

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