A 50 km circular ultramarathon in the Yorkshire Wolds starting and finishing near Tibthorpe, with approximately 884 m of ascent. The route largely follows the Wold Rangers Way long-distance path through rolling chalk countryside characterised by dry valleys, farmland and open fields. Terrain consists mainly of green lanes, bridleways and field-edge paths, with sustained undulation rather than steep climbs. Underfoot conditions are generally firm but weather-dependent. The course includes sections requiring basic navigation alongside marked junctions, with GPX provided. Aid stations are positioned at checkpoints along the route in accordance with the organiser’s event structure