Colworth Marathon Challenge
Sharnbrook, United Kingdom • 26-28 Jun 2026
Event Overview
The Colworth Marathon Challenge is a multi-day running event held at the Colworth Club in Sharnbrook. The competition consists of three separate races scheduled over three consecutive days. When completed together, these races total the distance of a full marathon. Participants have the option to enter individual races, any combination of two, or the complete three-day challenge.
The event structure includes:
- The "5": A 5-mile run.
- Trail Race: An 8.1-mile trail race.
- Half Marathon: A 13.1-mile race concluding the challenge.
Race Details and Facilities
The event is held under ARC race permits. Race numbers are provided for collection at the venue on the day of the event. The minimum age for the 5-mile race is 16, while participants for the trail race and half marathon must be at least 18 years old. For the opening Friday race, dogs are permitted if kept on a short lead; however, dogs are not allowed in the Saturday trail race or the Sunday half marathon.
The venue at the Colworth Club provides various amenities for participants, including on-site parking, toilets, shared changing facilities, and limited shower access. Refreshments and food are available on-site, particularly during the Friday evening segment.
Family Activities and Accommodation
The weekend includes activities designed for families, such as children's races and a fun run for those under 16, which are available for entry on the day. Entertainment for children is also provided on the first evening. Free camping is available at the venue for both participants and non-participants, though prior booking is required. Visit the organization's website for the most recent information.