Dalby's Inferno

Dalby's Inferno is an annual ultra marathon event held in Dalby Forest, UK, celebrating its 4th year in 2025. To mark the 60th anniversary of the Scarborough & Ryedale Mountain Rescue Team, the race features 12 laps of a challenging 5km forest trail, totaling 60km. The course includes varied terrain with 109m ascent per lap and is fully marshalled and signed on race day.

Participants have one hour to complete each lap, with the option to continue or rest between laps. The event offers a supportive, social atmosphere with camping included, free forest entry, and on-site amenities, making it suitable for all fitness levels aiming to tackle an ultra-distance challenge. Visit the organization's website for the most recent information.