Beacons Way Ultra 100 Mile

Event overview

The Beacons Way Ultra 100 Mile is a 100 miles ultramarathon across Bannau Brycheiniog, the Brecon Beacons National Park, held on Saturday 25 July 2026. The route has 6,143 m of ascent. The event is limited to 250 places and has an overall cut-off time of 40 hours. The entry fee is £209. The race awards UTMB Performance Index and ITRA points and uses live online GPS tracking via GB Race Tracker. The start venue is Abergavenny Castle and the finish is at Llangadog RFC.

Route, checkpoints and services

The course follows the Beacons Way National Trail and crosses the Black Mountains, central Beacons (including Pen-y-Fan) and the Carmarthen Fans. There are 10 checkpoints along the route. Checkpoints provide drinks, snacks and, at indoor sites, hot food and hot drinks; medics are available at each checkpoint. Cut-off times are enforced at checkpoints and all participants must check in at every checkpoint. Support crew access is restricted at some checkpoints; dropbags are transported to CP4 and CP9 and a separate dropbag can be sent to the finish (maximum 50 L).

Entry requirements, kit and support

Entrants must be at least 20 years old and must have completed a prior 50 mile ultramarathon and have experience in mountainous terrain. The event is self-navigation and a map-and-compass navigation ability is mandatory. Mandatory kit includes hardcopy OS Explorer OL12 & OL13 or Harvey maps, a compass (not a phone compass), a tracker provided by the organiser, headtorch and backup light, waterproofs, thermal survival bag, minimum 1 litre water capacity and at least 500 kcal emergency rations. One pacer is permitted from the halfway point (CP5); pacers must be on foot, self-sufficient and carry mandatory kit. Optional coach return transport to the start is available for a fee. Visit the organization's website for the most recent information.