Cousin Jack | Bys Vyken Events

Saint Just, United Kingdom • 8 Mar 2025

Cousin Jack, organized by Bys Vyken Events, is an exhilarating multi-terrain running event featuring two challenging races: the Classic Jack and the Ultra Jack. The Classic Jack spans 18 miles from St Just to St Ives, showcasing the breathtaking yet demanding coastal path, while the Ultra Jack doubles the distance to 35 miles, offering even more rugged terrain and elevation challenges. Both races promise a memorable adventure filled with diverse landscapes, including muddy fields and rocky headlands. Participants can expect a well-organized event with safety measures in place, making it a must for trail running enthusiasts. Visit the organization's website for the most recent information.

Race information

35 mi
2134 m+
Ultra Jack
18 mi
Classic Jack
Visit the organization's website for the most recent information.
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