Colworth Marathon Challenge

The Colworth Marathon Challenge is a unique running event held over three consecutive days at the scenic Colworth Estate in Sharnbrook, North Bedfordshire, UK. It features three races—a 5-mile multi-terrain run with family entertainment and kids' races on Friday evening, an 8.1-mile cross-country trail race on Saturday, and a 13.1-mile multi-terrain half marathon on Sunday. Participants can enter any combination of the races, which together total the full marathon distance of 26.2 miles.

The event offers free camping, on-site facilities, and a friendly atmosphere suitable for runners aged 16 and above. It is organized by Colworth Striders and supported by local sponsors. Visit the organization's website for the most recent information.