Hever Castle
Triathlon and Multisport Festival, 27-28 September 2025
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2025 Event Information
Join us for the Hever Castle Multisport Weekend to race through the award winning grounds and surrounding area of the stunning Kent countryside. Pick your discipline – triathlon, duathlon, aquabike, aquathlon, swim and run – and choose a distance. Recruit your friends and celebrate completing your challenge in our festival village.
We are delighted to introduce Alzheimer’s Research UK as our new National Charity partner. Get a charity place and help us raise much needed funds.
The Hever Castle Multisport weekend event in Kent is set within the stunning and historical grounds.
The Hever Castle estate offers a wealth of history; most recognisably the home of two of Henry VIII 6 wives. It was the childhood home of Anne Boleyn and one of the homes Anne of Cleaves was given after her divorce.
Throughout the weekend, athletes and spectators will be able to enjoy the award winning gardens and a fun-packed festival village featuring live music, shopping, food and drink, children’s entertainment, yoga and more.
Our family friendly multisport event weekend in Kent features triathlon, duathlon, aquabike, aquathlon, Swim Series and Run Series for all ages and abilities. You can also race with team of friends in one of our relays options!
The Hever Castle September hosts our biggest Junior triathlon with huge numbers of children enjoying the various race distances for 9 – 16 years olds.
Please read our in-depth 2025 Series Competitor Guide, Half Iron Gauntlet Course 2025 Guide and Race Report from 2024 to get acquainted with what to expect from a Castle Race Series event!
Latest water test here. Read more about our Water Testing procedure.
Use the buttons below for full list of races and course maps.
We are delighted to have been awarded the 2026 World Championship Standard Distance Triathlon Qualifier, taking place on Sunday 28th September 2025. Find out more about Age Group racing and how to qualify or simply register here.
NOTE! This will be a British Triathlon permitted event. To participate in a triathlon or multisport event you are required to:
We are delighted to have partnered with Alzheimer’s Research UK. Together, we can accelerate scientific discoveries, improve treatments, and create a future free from the fear and heartbreak of Alzheimer’s.
You can support Alzheimer’s Reseach UK by sigining up to a charity place from just £10 registration fee and committing to fundraise minimum pledge. You can also donate via the registration form.
* 2026 World Championship Standard Distance Triathlon Qualifier
Approx Timings: These are approximate timings and are only to be used as a guide.
Juniors 9 – 16 years – A non-draft race for all age groups. Bike course on multi terrain, off road tyres advisory!
Entrants will be notified of their wave time via email approximately 2 weeks prior to the event. We ask that triathlon and multisport participants arrive at the Holding Area 1hour 15 minutes before their given start time. Swim and Run Series participants need to arrive no later than 30 minutes before the start of their race. Allow for a 10 minute walk from the Car Park.
Take advantage of our payment plan and split the payments of your race fee over 3 months. Look for option at checkout.
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