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.

Race information

41 km
Long - Technically Advanced
41 km
Long - Technically Easy
33 km
Medium - Technically Advanced
33 km
Medium - Technically Easy
Half Marathon
Short - Technically Advanced
Half Marathon
Short - Technically Easy
15 km
Super Short - Technically Advanced
15 km
Super Short - Technically Easy
Visit the organization's website for the most recent information.
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