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.

Race information

13 mi
Colworth Half Marathon (13.1 Miles)
8 mi
Colworth Trail 8.1 (8.1 Miles)
5 mi
Colworth 5 & Family Fun (5 Miles)
Visit the organization's website for the most recent information.
Trail runs nearby

Tackle 26.3 miles around Colworth Estate with five scenic laps of gently undulating trail and lanes, including woodland paths and narrow sections. Friendly club facilities, cup free so bring your own bottle, 30 November in Sharnbrook.

Support Hospice of St Francis at the Wild Christmas Charity Run, a guided 8km trail or 4km family walk from Church Farm Cafe. Enjoy a mince pie with entry, optional fancy dress and limited places so book early.

Take on a scenic 10 mile trail around Grafham Water, starting on the dam and winding past woodlands, ponds and Sanctuary Bay. Choose the 10 mile run or canicross with your dog and enjoy a friendly, fast course and postrace treats.

Enjoy a festive run through Salcey Forest's tree lined trails with 10k, 5k and a junior fun run supporting Shelter. Expect mixed terrain, bespoke medals, free photos and a prize for best seasonal fancy dress.