Pop-up City Triathlon
24-27 April 2017

Lough Cutra Castle
26/27 May 2018

Cholmondeley Castle
23/24 June 2018

The Festival of Endurance at Hever Castle
9 July 2017

Castle Howard
22/23 July 2017

Château de Chantilly
26/27 August 2017

Hever Castle
23/24 September 2017

Schools Roadshow
July 2017

Pre-register for The Bastion 2018

Pre-register for The Bastion 2018

February 6, 2017

The Bastion, the unforgettable iron-distance challenge from the Castle Triathlon Series. Pre-register for 2018 to gain a special early bird rate and take your place at the stunning and historic venue, Hever Castle in Kent.

Triathletes who pre-register can enter the event with a priority entry and early bird discount.

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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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Location

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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Training

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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