Join us at the Cholmondeley Castle Multisport Event to race through the beautiful grounds and surrounding area of stunning Cheshire. 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.
Throughout the Cholmondeley Castle Multisport Event athletes and spectators can enjoy a fun-packed festival village, right in the heart of this beautiful estate, featuring live music, shopping, food and drink, children’s entertainment, yoga and more.
This Cheshire castle has been home to the Cholmondeley Family since the 12th Century and its grounds feature Deer Park Mere which is a beautiful setting for our open water swim. To the south of the castle lies Tower Hill, the highest point of the run routes, where athletes are rewarded with panoramic views of the Beeston and Peckforton Hills.
Join us for the Cholmondeley Castle Multisport Event festival set within the extensive 500 acre parkland. Pick your discipline; triathlon, duathlon, aquabike, aquathlon, swim and run, then select the distance of your choice.
Please read our in-depth 2025 Series Competitor Guide and Half Iron Gauntlet Course Guide 2025. The 2025 Race Report gives you a flavour of what to expect on race day.
This event will host Mixed Team Relay triathlon which you can enter with your club or family and friends for a great day out and a perhaps chance at the podium!
Read more about our Water Testing procedure.
We hope Triathlon England North West Junior Series will return to Cholmondeley Castle.
NOTE! This will be a British Triathlon permitted event. To participate in a triathlon or multisport event you are required to:
On Your Bike offers three different types of bikes for your event - hybrid, road and carbon road. If you don't have a bike or prefer not to have the hassle to transporting yours, bike hire is the perfect option.
Bring your supporters to cheer you on and enjoy the festival village, buzzing atmosphere and castle grounds. Get your discounted event Entry Tickets here (not applicable to participants, and those in Junior races can bring one adult for free).
Juniors! Saturday includes draft and non draft tarmac bike courses for the 13-14years and 15-16 years as well draft for the 11-12 years, therefore road bikes required (advisory for non draft). Sunday hosts non draft only for the 11-12years and the 9-10y years on a multi terrain bike course (predominantly tarmac) however off road tyres advisory!
Entrants will be notified of their start time via email approximately 2 weeks prior to the event. We advise that entrants arrive at least 1hour 15 minutes before their given start time. There’s an option to request specific waves during registration.
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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