Beast Of The Blacks

Crickhowell, United Kingdom • 6 Mar 2027

Beast of the Blacks

The Beast of the Blacks takes place in the Black Mountains of Wales, starting and finishing in Crickhowell, Powys. The event traverses a variety of terrain including forest trails, mountain tops, and river crossings. The course is fully marked and supported by marshals.

Participants can choose from three distinct distances:

  • 10 Miles (16.9 KM) with 1,535 feet of elevation.
  • 20 Miles (32.5 KM) with 4,462 feet of elevation.
  • 40 Miles (65 KM) with 8,924 feet of elevation.

The 40-mile ultra-distance consists of a double loop where the second lap is a reverse of the 20-mile route. Specific cut-off times are enforced for each distance: 5 hours for the 10-mile, 8 hours for the 20-mile, and 16 hours for the 40-mile event.

Checkpoints are stocked with a variety of food and drink, including fruit, nuts, sweets, electrolytes, and water. Dietary requirements, including vegan options, are catered for. This is a canicross-friendly event, provided dogs are at least 12 months old and kept on a lead. Post-race amenities include light refreshments and access to a recovery sauna and ice bath.

A mandatory kit list is required for all runners, featuring items such as waterproof clothing, a race pack, a foil blanket, and a reusable cup, as the event is cup-free. Kit checks are performed at registration. Visit the organization's website for the most recent information.

Race information

40 mi
40 Mile Ultra Challenge
20 mi
20 Mile Challenge
10 mi
10 Mile Challenge
Visit the organization's website for the most recent information.
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