Purbeck Hill Challenge
National Trust - Knoll Beach, United Kingdom • 14 Feb 2026
Event Format
The Purbeck Hill Challenge is a one-day long-distance walk or run event on public rights of way, featuring orienteering sections. Participants must navigate to various checkpoints. There is a mix of navigation using a standard map and more detailed orienteering sections.
Course Options
There are four main course distances. Each distance also offers a choice between two navigation difficulty levels for the orienteering segments.
- Super Short - 15 km with 170 m of climb.
- Short - 21 km with 400 m of climb.
- Medium - 33 km with 660 m of climb.
- Long - 41 km with 930 m of climb.
For each distance, participants can choose between a Technically Easy or a Technically Advanced orienteering option. All eight possible course combinations can be completed solo or as a pair.
Event Details
The event starts and finishes at Knoll Beach in Studland on the Isle of Purbeck. The competition area includes the Purbeck Hills and the Jurassic Coast, with terrain featuring heathland and coastal dunes. Participants are advised to expect wet and muddy conditions and wear appropriate footwear.
The event is self-supported. Participants must carry all necessary supplies for the day, including mandatory safety equipment such as waterproof clothing, a compass, a whistle, a head torch, a phone, and cash. Resupply from local shops and cafes along the route is permitted. Registration, map issue, and the finish are at Knoll Beach.
Maps are A2-sized, laminated, and double-sided. One side features an OS 1:25,000 map of the area, while the other contains more detailed 1:10,000 or 1:7,500 maps for the orienteering sections. Timing is done with a SPORTident dibber; participants can use their own or hire one.
Courses are open for a maximum of 7 hours. There is a participant cap of 100 people in total, whether running solo or in pairs. The National Trust car park at Knoll Beach is available for parking for a separate fee. Visit the organization's website for the most recent information.