Equipment | Castle Triathlon Series | Castle Triathlon Series

Race Preparation

We have partnered with experts in training, nutrition advice and gear to help you kit yourself out for race day.

Wetsuit Hire

Yonda Sports are pioneers in flexibility and pride themselves on providing the right wetsuit to suit your swim ability and to enhance your performance. As a British brand, we offer swimwear, wetsuits, goggles, trisuits and accessories to compliment your performance as you race towards the finish line.

Castle Series fans get a 15% discount on all swim related purchase*. Code details can be found in your registration confirmation email. Alternatively sign up to our NEWSLETTER.

*discount does not apply to the very competitively priced wetsuit hire.

We pride ourselves on our customer care and like to deliver the personal touch. We know how important your event is to you and how vital the correct wetsuit is. Our job is to take away the stress of choosing the right suit so you can concentrate on the race!


New from British Bike Hire in 2021


  • DISCOUNT – 50% off on selected bike hire. Their great winter sale start today until 1st March 2021. Book your bike here now! Hurry while stocks lasts!
  • NEW BIKES – 80% of BBH’s bike fleet will be new for 2021 with may new categories of bike, including 3 choices on Cyclocross bikes.
  • TRAIN ON YOUR BIKE – BBH are now offering customers the opportunity to rent bikes in advance of their event. We deliver Nationwide and will collect their bike the week before the event, service it and then deliver it to the event.
  • TRY BEFORE YOU BUY  – If you’re interested in buying  bike why not rent one first. We’ll then give you a voucher to the value of your first Month’s rental to use towards any new bike of £350.

Bike Hire

British Bike Hire are the official bike hire partner for the Castle Triathlon Series.

Hiring a bike with British Bike Hire takes the stress and hassle of traveling with your bike out of race weekend; you can rely on them to have a freshly cleaned and serviced bike delivered to the event ready for collection. Once there you can collect your bike from one of their team of mechanics who will be on hand for any fitting adjustments, pedal changes or installation of extra parts that you may want.

The process is simple:
1.       Book your book online at
2.       You’ll receive a confirmation email and then information about the event in the week leading up to it
3.       Arrive at your Castle Triathlon event and find your bike ready to ride in the event village
4.       Do your event!
5.       Drop it off at the end of the day when you’re finished

You can choose from their wide range of bikes from carbon road bikes at £75 for a single day hire, to hybrid bikes for £40 for a day hire.

Equipment Checklist

You will need:
  • Transition box/bag
  • Wetsuit
  • Goggles
  • Towel
  • Cycling shoes & socks (If wearing)
  • Tri suit or shorts and t-shirt
  • Bike
  • Cycle helmet
  • Trainers (some routes require trail shoes)
  • Nutrition
  • Water bottle
  • Race belt

We provide you with a swim cap.


Junior equipment

So, what gear do you need?

Here is a list of the key items; if you don’t have them already you can either buy or hire them from our retail partners.

  • Wetsuit (all Castle Triathlon Series events are in open lakes so temperatures can get pretty cold).
  • Swimming goggles
  • Swim hat (all competitors get a free hat on the day of the events)
  • Bike (mountain bikes are ideal)
  • Helmet
  • Trainers
  • Elastic or lock laces – to tie up your trainers quickly
  • Tri-suit or shorts and t-shirt are fine
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; from first timers, old timers, juniors, female focus, elites, tri clubs, corporates, there’s a race for everyone!

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Trade your time for a free race place! We offer a Volunteer Scheme, whereby a free race is given in return for a day’s marshalling at any one of the Castle Triathlon Series events. (terms apply)

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