Colworth Marathon Challenge
Sharnbrook, United Kingdom • 26-28 Jun 2026
Colworth Marathon Challenge
The Colworth Marathon Challenge is a multi-day running event held at the Colworth Estate in Sharnbrook, North Bedfordshire. The event consists of three separate races scheduled over three consecutive days. Participants have the option to enter individual races or complete all three to reach a total distance of 26.2 miles, equivalent to a full marathon.
The event features the following distances:
- 5 miles: A multi-terrain course.
- 8.1 miles: A cross-country trail route.
- 13.1 miles: A multi-terrain half marathon course.
The race series begins with a 5 mile multi-terrain run on Friday evening. This first day includes family entertainment and dedicated races for children. On Saturday, the event continues with an 8.1 mile cross-country trail race. The weekend concludes on Sunday with a 13.1 mile multi-terrain half marathon.
The event is staged at the Colworth Sports and Social Club. Registered participants can access free camping facilities on-site during the race weekend. The competition is organized by the Colworth Striders with support from local partners. The courses utilize the landscape of the Colworth Estate and the surrounding North Bedfordshire area. Visit the organization's website for the most recent information.