Lough Cutra Castle
27/28 May 2017

Cholmondeley Castle
24/25 June 2017

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

Race Preparation

To get the most out of your event day, we recommend being completely prepared. From taking out the right insurance, having the right gear and completing the right training schedule. See our experts offering’s here.

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We have partnered with experts in tri gear to help you kit yourself out for race day, whether through hiring or purchasing.




Insurance cover for home, bike, kit, training and competing here or abroad.

Have complete peace of mind that your bikes, accessories and kit are covered when you’re competing or training at home or abroad with Pedalcover Insurance.

Get the most comprehensive cover for triathletes on the market, with Pedalcover’s unique home and bike policy or travel insurance. Through our partnership with Pedalcover, get 10% off your policy by using the code word CASTLE when getting you quote. Get a quote here

Training Overview

The Castle Triathlon Series is very excited to begin a new partnership with RG Active Ltd.

RG Active are one of the UK’s largest specialist triathlon coaching companies and have been in the business for 10 years offering their coaching expertise to thousands of athletes across the globe and now they are here to help, assist and train you through the race season as you get ready for your chosen Castle Triathlon.

RG Active have always put ‘fun’ first and foremost in everything they deliver and this is something that we feel is very important. They want your Castle Series Triathlon experience to be as special as possible but realize that each individual ‘journey’ to the start line is as important as the race day itself.

rgactive.com RGActive Triathlon Training Hever Castle Triathlon Series

Useful downloads:

Competitor offering

The team at RG Active will be hand to all Castle Triathlon Series athletes throughout the calendar year to make sure you arrive on race day fully prepared both mentally and physically for your race. Whether you are training for your first triathlon or you are a seasoned athlete training for the challenge of the Bastion RG Active will be able to help via:

–    Training Programmes
–    Training Days
–    Course Orientation Days
–    Children’s Training Days
–    Newsletters
–    Social Media and more…

The RG Active coaching team

The team RG Active has assembled has depth, knowledge, personality and experience that you will struggle to match anywhere.

With ex-professional triathletes and cyclists, current age-group athletes, Ironman finishers, Sports Scientists, Nutritionists and other sports industry professionals there is no question that can’t be answered no matter how big or small. But, even with all this knowledge they have one shared approach and that is to make your training and your journey ‘FUN’ and as ‘EASY’ as possible!

Training days

RG Active are hosting a number of Castle Triathlon series specific training days and events throughout the 2016 season. They will include a London based day as well as multiple days at the Castle’s where you will be racing.

The training days will focus more around novice, inexperienced competitors but there will some for the more advanced, experienced athletes allowing you to hone and develop your skills.
The days will all provide a healthy, balanced mix of theory and practical work to help you learn, prepare and enjoy the day and answer all your questions ahead of the big day.

Training programmes

RG Active have prepared a selection of training programmes specifically for the Castle Triathlon Series events and race distances. They are offered in our unique ‘Compete’ or ‘Complete’ categories to allow you to get the perfect results from your hard work.

The RG Active training programmes have been priced very competitively because they know that triathlon is not a cheap hobby and they have always aimed to make everything they do as accessible and affordable as possible for everyone that’s wants it.

Speedo open water swim tutorials

Here we will share with you tips on how to improve on your swim experience so that your swim experience is the best it can be.

From tips and advice from our experienced ambassadors, to information on the best equipment to suit your swimming needs; everything you could want to help you with the swim leg of your triathlon can be found right here!

KitBrix Transition Tips

Being organised in transition is key to a successful triathlon. Kitbrix offer some essential tips for a smooth and speedy transition.

Click here to get a full and extensive advise on your transition.

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.

Find out more


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.

Find out more

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.

Find out more


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

Find out more