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Set over the UK bank holiday weekend, the racing will take place in the spectacular and historic town of Chantilly, just a 2.5hrs drive from Calais and 40 miles north of Paris. With a variety of distances on offer, the whole family can get involved this summer.
Castle Triathlon Series has confirmed that this event will be going ahead as planned on Friday 27th Aug 2021 in accordance with the COVID-19 safety measures. Learn more
"Stunning scenery running around the Chateuax and a good flat fast bike course...."
"Great race in such a beautiful location. Really flat, fast bike and the run was..."
"Beautiful scenery and well organized event. Just wish the half marathon..."
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How to enter the Château de Chantilly Triathlon
Triathlon: Swim 0.8km, Bike 40km, Run 8km
Triathlon: Swim 0.4km, Bike 20km, Run 4km
Triathlon: Swim 0.2km, Bike 11km, Run 2.5km
Triathlon: Swim 1.9km, Bike 90km, Run 21km
Triathlon: Swim 1.5km, Bike 45km, Run 10km
Duathlon: Run 5km, Bike 20km, Run 2.5km
Aquabike: Swim 0.75km, Bike 20km
Aquathlon: Swim 0.75km, Run 5km
Junior Triathlon (11-12 yrs old)
Triathlon: Swim 0.2km, Bike 4km, Run 1.8km
Junior Triathlon (13-15 yrs old)
Triathlon: Swim 0.3km, Bike 8km, Run 4km
Junior Triathlon (8-10 yrs old)
Triathlon: Swim 0.1km, Bike 4km, Run 1.4km
Duathlon: Run 11km, Bike 45km, Run 6km
Aquabike: Swim 1.5km, Bike 45km
Aquathlon: Swim 1.5km, Run 10km
Triathlon: Swim 0.75km, Bike 20km, Run 5km
Mixed Team Relay
Triathlon: Swim 0.25km, Bike 5.75km, Run 1.5km
1 Mile Swim
Château de Chantilly Triathlon routes
Chantilly provides a fantastic and challenging race, with the 2.5km Grand Canal overlooked by the Château and its gardens hosting the open-water swim.
Triathletes will transition within the Terrasse des Connétables and set off into a fast 20km or 45km cycle circuit around the Forêt de Chantilly.
After entering T2, competitors will run the surrounding woodlands, the world famous race course “LHippodrome” and Chateau gardens finishing within sight of the beautiful Chateau.
Official race photography
Prizes for winners
Live music and entertainment
Fully marked and signed route
Please see the event website for more information.
The previous years start timings for the various Sprint events took place between 07:30 and 14:30. The Starter Tri, Children and Swim only events started between 15:00 and 17:00.
If Covid restrictions dictate, they shall follow a similar format at this Venue. If social distancing is not required, all adults events will take place in the morning and Children and Mixed Team Relay events after 14:00.
Entrants will be notified of their start time via email 2 weeks prior to the event. It is advised that entrants arrive at least 1 – 1.5 hours before their given wave time. Relays go off in the final wave of their distance.
See a full list of Castle Triathlon Partners at https://www.castletriathlonseries.co.uk/partners/
Frequently Asked Questions
When will I be sent my start time for the Château de Chantilly Triathlon?
Participants will be emailed their start time approximately 2 weeks ahead of the event.
Do I have to wear a wetsuit for the swims at the Château de Chantilly Triathlon?
For swim length up to 1500m wetsuits will be optional on race day if the temp remains between 14 and 22 degrees centigrade. Events over 1500m swim length will have wetsuits as optional between 15 and 23 degrees centigrade.
I have a British Triathlon license, do I have to pay full price for the Château de Chantilly Triathlon?
While you cannot enter at a discounted price, all Multi-discipline participants who do NOT have a valid membership licence card of a recognised triathlon governing body such as FFT/BTF/TI, must purchase a F.F.Tri Day Competition Pass (also known and Pass Journeé and Pass Compétition). These details will be available nearer to the event date.
Formed in 2009, the Castle Triathlon Series has swiftly established itself as the UK’s largest triathlon series.
From Lough Cutra to Chantilly and Castles Howard, Cholmondeley and Hever, we’re immensely proud of the iconic backdrops to each Castle Triathlon Series race and the friendly festival atmosphere produced at every event.
Great race in such a beautiful location. Really flat, fast bike and the run was beautiful around the castle, but swim in the canal had a lot of weeds. Amazing volunteers, pave on the bike course and getting to and from bike from transition wasn't ideal, but not enough to stop it being a fantastic race, would highly recommend.
Stunning scenery running around the Chateuax and a good flat fast bike course. Volunteers were all very helpful and a very friendly atmosphere. Locations is fantastic as very easy to get to from the UK.
Swim is in a idyllic place but the lake is quite shallow with a lot of weeds and it had failed the water test. Medal is not great and there was no goody bag afterwards.