The Total Guide Chilly 'Draft-Legal' Duathlon at the famous Castle Combe race circuit. Safe, traffic-free, duathlon racing at its best. Wide, smooth, tarmaced, closed roads to cycle on and a flat, predominantly on-road run route. 

The  'Draft-Legal' Duathlon is a 5k run, a 7-lap 20.5k bike and a final 3k run.

Please note Non BTF Members will be required to purchase a race licence at checkout.

If you intend to use this event as a qualifying race for the 2027 European Duathlon Championships, please make sure you have a registered your intent to qualify via your BTF Membership by 5pm Friday, 6th March 2026.

 Race category selection:

 ▪ Female category

 ▪ Open category

 Only people who are female sex at birth are eligible to compete in the Female category. All individuals including transgender people are eligible to compete in the Open category