Colworth Marathon Challenge
The Colworth Marathon Challenge is a unique running event set in the beautiful Colworth Estate, North Bedfordshire, UK. This multi-day event offers participants the chance to enter 1, 2 or all 3 races that combine to make 26.2 miles.
Next Event: Friday 26th to Sunday 28th June 2026
Colworth Sports & Social Club, Sharnbrook, MK44 1LB
Races:
- Colworth 5 & Family Fun
Friday 26th June, 7:30pm start, Multi-terrain (5 miles)
Including family entertainment (from 5pm) and kids races (6pm start) - Colworth Trail 8.1
Saturday 27th June, 12pm start, Cross Country (8.1 miles) - Colworth Half Marathon
Sunday 28th June, 10:30am start, Multi-terrain (13.1 miles)
The event also features free camping for registered participants and Friday family entertainment.
Organized by the Colworth Striders, supported by Unilever and Colworth Science Park.