Cousin Jack
Saint Just, United Kingdom • 7 Mar 2026
Cousin Jack, organized by Bys Vyken Events, is a challenging trail running event held in Cornwall, UK, featuring two race options: the Classic Jack and the Ultra Jack. The Classic Jack is an 18-mile point-to-point race from St Just to St Ives, traversing demanding terrain including muddy fields, rocky headlands, steep paths, and bogs along the stunning coastal path. The Ultra Jack doubles the challenge with a 35-mile out-and-back course from St Ives to Cape Cornwall and back, featuring over 7,000 feet of elevation. Both races offer a rugged, adventurous experience for trail runners seeking tough multi-terrain challenges in a scenic coastal setting. Visit the organization's website for the most recent information.