31 Jan–1 Feb 2026 156 days to go! #RunShow Tickets

Castle Race Series

Castle Race Series host races for all ages and all abilities at iconic castles throughout the UK, Ireland and France. Our event weekends feature races across 7 disciplines – triathlon, duathlon, aquabike, aquathlon, swim, run and obstacle – and 29 distances, from starter to full iron. We have been hosting industry-leading sports festivals since 2009. We are an experienced team who are dedicated to making racing the very best it can be.