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
July 2018

Take Part


It’s often said that triathlon is the new marathon in the world of endurance sport and – as the nation’s fastest growing sport – triathlon certainly offers a wealth of great sponsorship and fundraising opportunities for competitors.


Macmillan Cancer Support

Macmillan Cancer Support are delighted to be the official charity partner of the Castle Triathlon Series.

By 2020, almost one in two people will get cancer and it’s the toughest fight most of us will ever face. Macmillan want to reach and improve the lives of everyone living with cancer and to inspire millions of others to do the same.

Local Charities

Last year, competitors at the Castle Triathlon Series raised £200,000 for charity (and that’s just what we know about) for a wide spectrum of charities and good causes.

We have a host of local partner charities that support each venue in the series by providing marshals and support on race day.

If you would like to buy race places to promote to your members please contact admin@castletriathlonseries.co.uk.

Race distances

Race distances

For the absolute beginners and children to the professional triathletes, the Castle Triathlon Series offers a wealth of race distances to suit all levels.

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Hosted at a selection of stunning and iconic castles across the UK, Ireland and France, the Castle Triathlon Series events all promise an inspirational and memorable race experience.

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Take part

We pride ourselves on offering a bespoke and tailored offering for all those wishing to take part and grateful for all those who want to be involved on the day.

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We would always recommend training in preparation for any event, but how much you do, and the style you take is down to you.

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