Colworth Marathon Challenge
Bedford, United Kingdom • 26-28 Jun 2026
The Colworth Marathon Challenge is a unique running event held at the scenic Colworth Estate in North Bedfordshire, UK. It features three races over three days, combining distances of 5 miles, 8.1 miles, and a half marathon of 13.1 miles, totaling the full marathon distance of 26.2 miles. The event offers multi-terrain and cross-country courses, with family-friendly activities including kids' races and entertainment. Participants can choose to enter one, two, or all three races. The challenge is organized by Colworth Striders and supported by local sponsors, with free camping and a welcoming atmosphere at the Colworth Sports & Social Club in Sharnbrook. Visit the organization's website for the most recent information.