Be it swim, run, cycle, a combination, or all 3, The Castle Series has the distance for you!
The Castle Series host 5 of the most stunning venues in the UK, France and Ireland!
Training, insurance, equipment or nutrition, The Castle Series’ expert partners will help get you to the start line fully prepared!
See the breakdown of all race distance prices at The Castle Series.
The Castle Series wouldn’t be the success it is without our valued Marshal! Find out more about our Trading Place for a free race.
The Castle Series spectator experience has become almost as famous as the spectacular backdrops and classic courses.
The Castle Series race Rules highlight the general rules of the Series and for each of the races.
The Castle Series is brought to you by a passionate and dedicated team working hard to make the events the best they can be.
4 of the 5 The Castle Series venues offer camping. If camping’s not for you, see our alternative suggestions
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.
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!
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)
© 2021 Castle Triathlon Series, The Old Bank, Penshurst Road, Penshurst TN11 8DB Tel: 01892 870681