We would always recommend training in preparation for any event, but how much you do, and the style you take is down to you. We are partnered with training experts to offer you the opportunity to attend a training day or sign up for a tailored training programme.


The Castle Triathlon Series has a well-established and very popular training platform run by the elite coaches from who can support you through the race season.

Bespoke training programmes and training days can be booked during the registration process, or by logging back in and tick the online shop option. Book here.

For first time triathletes we would like to help you feel fully prepared for your first event – this is meant to be fun!  For more experienced athletes coaches will be on hand to help you improve your race performances.

Training experts is the largest provider of triathlon coaching services in the UK whose coaches include former elite athletes such as Richard Jones and Andrea Whitcombe, the 2000 Olympic team coach Bill Black and the 2008 Olympic team coach Dan Salcedo.

Useful downloads:

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.

Training days

We are hosting open water and comprehensive triathlon training sessions including a race day walk through, at a number of our castles this year.

Perfect for a novice triathlete or maybe you are looking for sound advice to improve your times – the day will help develop your skills further.

Training programmes coaches have prepared training programmes specifically for the Castle Triathlon Series race distances and tailored to your level of experience.

When you buy a training programme from you will get as much coach support via email as you need from their experienced coaches.

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!

Nutrition advice

After months of hard training, one of the most crucial final pieces in the race puzzle is your race-day nutrition strategy, whether you’re tackling your first event or chasing a new PB.

Click the link below for your easy to follow step-by-step guide to fuel your big day.

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.

Find out more