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.
The majestic Château de Chantilly, Hauts-de-France region, hosts the first of our 2023 Season. Swimmers can enjoy the serene Grand Canal, a 2.5km long tributary of the Oise. The cycle routes circumnavigate the arrow straight bridleways of the Foret de Chantilly, with the run sections named after the Maison de Sylvie that it surrounds.
Throughout the weekend, athletes and spectators will be able to enjoy the castle grounds and a fun-packed festival village featuring live music, shopping, food and drink, children’s entertainment, yoga and more.
This weekend festival of sport will host a huge range of races for all ages and abilities. Whether you’re 9 or 90 years old, a first-timer or an elite, you can pick from triathlon, duathlon, aquabike, aquathlon, run and swim races. You can also race with a team of friends in one of our relays options!
Use these buttons to view our in-depth Guides, see Chantilly course maps and access full list of races.
We are delighted that this event is endorsed by the Fédération Française de Triathlon. Any athletes competing in a triathlon and multisport race will need a valid race license to participate.
We are delighted to have partnered with Macmillan Cancer Support for another year. They do whatever it takes to give people affected by cancer the support they need. Macmillan are going all out to support people with cancer. But they can’t do it without you.
You can support Macmillan by signing up for a charity place and committing to fundraise or making a donation via the registration form.
Precision Fuel & Hydration's electrolyte drinks and energy gels will be available at our feed stations this season. Try out their taster pack in your training, see booking email for special 15% discount code.
Tri Training Harder help athletes prepare for our iconic events through different coaching packages which include race specific training plans, pre-event training sessions and a virtual training club.
We are always looking for fantastic marshals for our sporting events. There are a number of ways to get involved, whether trading places, raising money for charity or as a paid crew member. Interested?
This event is a fantastic day out - we welcome everyone to come along, explore the stunning castle grounds, cheer athletes on from numerous up close viewing spots, enjoy the event village entertainment and soak up the festival atmosphere. See your confirmation email for the link to 4 free event tickets.
We partner with ferry and hotel companies to offer our competitors exclusive discounts for traveling to France. More information is shared in competitor information emails once you've signed up.
Train for your race in Castle Race Series Kit and purchase a finisher t-shirt to make sure everyone know you've conquered the castle!
Photographers are positioned around the course, finish line, and event village to capture you in action. 50% off ALL your Official Digital Photos if you buy online now - just £15! Terms apply.
We present trophies to 1st place winners, and prize pots for podium place of the Olympic and Gauntlet triathlons. All participants receive a medal, and if you'd like to remember your times go to your Active account and click 'Purchase Merchandise' to add Medal Insert to your booking.
Try a beginner’s duathlon, or go further with the half iron distance, The Gauntlet. Enjoy a dazzling 10K, half marathon, or marathon or sign up for one of our open water swimming courses.
As this event will be sanctioned by the French Triathlon Federation, and if you are participating in a triathlon or multi-sport event, you will need a valid licence to participate.
TRIATHLON: We work with the F.F.TRI and host many qualifying and championship races. From beginner, junior to elite, we are actively encouraging more and more people to participate in the sport.
AQUABIKE: Start your swim race in the unique castle lake, before travelling through the stunning rural landscapes of France.
AQUATHLON: The swim/run races start with a unique open water experience in a private castle lake and race through the Château grounds and beautiful woodlands before crossing the finish line.
SWIMMING: Take the unique and exhilarating opportunity to swim in open water in private Château lake with stunning views of the landscape.
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.
Juniors 8 – 15 years – A non-draft race for all age groups. Bike course on multi terrain, off road tyres advisory!
Sign up for a discounted charity race place and raise vital funds for people with cancer
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