Pop-up City Triathlon

Lough Cutra Castle
26/27 May 2018

Cholmondeley Castle
23/24 June 2018

The Festival of Endurance at Hever Castle
8 July 2018

Castle Howard
21/22 July 2018

Château de Chantilly
25/26 August 2018

Hever Castle
22/23 September 2018

Schools Roadshow


We are grateful to have many passionate and grateful competitors who feedback about their event experience post race.

Read our competitor testimonials about their amazing experience of The Castle Triathlon Series, the UK’s largest triathlon series hosted at iconic castles across the UK, Ireland and France.