Cousin Jack | Bys Vyken Events

Saint Just, United Kingdom • 7 Mar 2026

Cousin Jack, organized by Bys Vyken Events, features two challenging trail races set against the stunning backdrop of the Cornish coast. The Classic Jack is an 18-mile point-to-point race from St Just to St Ives, showcasing diverse terrains including muddy fields and rocky headlands. For those seeking an even greater challenge, the Ultra Jack doubles the distance to 35 miles, with significant elevation gain. Both races promise an unforgettable adventure, testing participants' endurance and resilience. Registration is required in advance, and safety measures are in place to ensure a secure racing experience. Visit the organization's website for the most recent information.

Race information

35 mi
7000 m+
Ultra Jack - 35 Miles
18 mi
Classic Jack - 18 Miles
Visit the organization's website for the most recent information.
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