Trails & Tarmac Backyard Ultra

The Trails & Tarmac 12hr Backyard Ultra is a challenging endurance running event held near Crickhowell in Powys, UK, set in the scenic Black Mountains. The race features a 4.2-mile loop combining equal parts trail and tarmac, with mostly flat terrain, one gradual climb, and a short steep section, designed for fast running. Participants must complete each loop within an hour, with a total race cap of 12 hours.

The final 12th loop is a sprint to determine the winner. Runners receive medals for each completed loop, with a special ultra medal for those reaching 32 miles. The event offers food, hydration, medical support, and facilities including showers and toilets. Visit the organization's website for the most recent information.