The Beast 13 Miles

13 miles·47m gain·Corfe Castle, United Kingdom
trailhalf marathoncoastalloopbeginner friendly
Distance13 miles
Gain47m
Date6 Sep 2026
Fee£28
Difficulty3/5

About This Race

This single-loop course begins on Corfe Castle Common and ventures through the Purbeck Hills toward Worth Matravers before joining the coastal path for spectacular sea views. The return journey to Corfe Castle includes what organizers modestly call 'minor' hills, completing a challenging but achievable circuit through Dorset's most scenic terrain.

This single-loop course begins on Corfe Castle Common and ventures through the Purbeck Hills toward Worth Matravers before joining the coastal path for spectacular sea views. The return journey to Corfe Castle includes what organizers modestly call 'minor' hills, completing a challenging but achievable circuit through Dorset's most scenic terrain.

Elevation Profile

The course gains 47m over 21km, with the steepest section between km 29–km 29.

Course Map

Route shown is approximate and for illustration purposes.

Notable Features

The Beast offers a unique combination of historic Corfe Castle as a backdrop, dramatic Purbeck Hills terrain, and stunning coastal path sections with sea views. As part of the established Purbeck Trail Series, runners experience some of Dorset's most iconic landscapes while tackling a course that local organizers honestly describe as 'undulating'—a testament to the challenging but rewarding nature of this well-regarded race.