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CHANTILLY EVENT DAY INFORMATION

It’s almost race day! We are so excited to host you all on June 6/7. Please read the following information on this page as it will help you be fully equipped for your race.

CHANGE DE LANGUE
BOOK NOW

LATEST UPDATES

  • Action: All necessary race documents must be uploaded via your Dashboard account by 1st June. Full details here
  • Scroll down to see expected start time of each wave for all race distances.
  • Check-in Arrival: Tri / Duathlon participants  check-in 1hr 30 mins before given start time. Swim and Run participants check-in 1hr minutes
  • Registration / Race pack collection:  At the Registration Tent on race day
  • Pre-Registration: Avoid the Sunday queues!  Option to pick up your pack Saturday 12:30-4.30pm
  • Your Race Dashboard: Check your booking

Event Information Pack

A Must Read!

  • Your Race Information Pack will be uploaded here on 27th May.
  • This pack includes your TO DO list, detailed event information, links to course routes, partner offerings and more! 

For further information, see the General 2026 Castle Race Series Guide.

– Gauntlet Half Iron Course Guide
– Bastion Iron Course Guide

TRIATHLON / DUATHLON
RUN
SWIM

Race Documentation

Licence Requirements

  • All participants must ensure their Race Documentation is validated on their booking by 1st June – Full details here
  • Login to check your documents are up to date
  • Triathlon / Duathlon: This event is permitted by Fédération Française de Triathlon
  • See FFtri Rules here

Water Temperature

Wetsuit Status

Wetsuit hire options
Water Test Certificate - Coming soon

Making Memories

You in action

  • Fuelling: 20% off performance bundle and mixed box gels, code CRSTF20. Or read before you buy. >> HERE
  • Recovery Zone. From saunas and plunge pools to compression therapy, pre-booking advised. >> FIND OUT MORE
  • Photography. Our photographers will be positioned around the course to capture you in action so that you can have a lasting memory of your race.  >> PRE BOOK HERE
  • Medal. Personalise your medal with your name and finish . >> ORDER HERE
  • Merchandise. Visit the online shop to view options. Pre-order your Finisher t-shirt and simply pick up at event from the Merchandise tent.  >> ORDER HERE

Spectators

A Magnificent Venue

You can bring up to 2 spectators to the Event at no charge. Spectators must arrive with a pre-booked ticket, so please book these now using the link shared in your dashboard. If you have more than 2 spectators they can gain entry by purchasing additional visitor tickets via the Château’s website.

Child participants can bring one adult with them for free.

Spectators will be well looked after as you take part in your race. There will be retail outlets, food concessions, live music and the beautiful castle grounds to explore.

Explore the area
VIEW OUR SPECTATOR GUIDE

Alzheimer's Research UK

Make your race count

If you would like to fundraise for Alzheimer’s Research UK, set up your JustGiving page today and start fundraising!

Together, we can accelerate scientific discoveries, improve treatments, and create a future free from the fear and heartbreak of Alzheimer’s. Every contribution brings us closer to making this vision a reality. Donate today using the link below or during sign up!

Fundraise or Donate here

START TIMES
The Start List wave sheets and online video briefings will be available from 27th May

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