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Chilham Castle Duathlon

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The 11th Chilham Castle Duathlon returns with sprint and standard distance duathlons with cross country run held within the picturesque grounds of Chilham Castle with views of the castle and Canterbury Cathedral.

This will be followed by a very fast but challenging cycle route partly ridden on a designated cycle time trial route then finishing off with a second run in the park.

How to enter the Chilham Castle Duathlon

  1. Standard Duathlon

    Duathlon: Run 10km, Bike 40km, Run 5km
    Event passed
  2. Sprint Duathlon

    Duathlon: Run 5km, Bike 27km, Run 2.5km
    Event passed

Chilham Castle Duathlon routes

Line up on the start line in ascending order of the time you think it will take you to complete 2 x 5km run loops. Please make sure your number is showing on the front of your top. Follow the signs and markers on the run course, marshals will also be on the course. A drink station will be located at approximately 2.5km/5km/7.5km.

Run through the stunning grounds of Chilham Castle estate and 500 year old avenue of trees.

Sprint Duathlon – 1st Run – 5K | 2nd Run – 2.5K.

A very fast but challenging cycle route partly ridden on a designated cycle time trial route.

Sprint Duathlon
27K Bike

The run course is narrow in places, please be careful if you intend to overtake.

Follow RUN IN signs into transition area, marshals will be here. Get ready for the bike section – fasten your bike helmet, put number to rear of top then and follow signs to BIKE MOUNT LINE.

The bike route is 27km. Please be careful the roads are open to traffic and you must adhere to the Highway Code at all time. The course will be signed and Event Marshals are on the course at all turn points and roundabouts.

  • Cyclist left turn onto A252. Head southwest on A252.
  • At the roundabout, take the 4th and retrace your route.
  • Traffic turning onto A28 – please be careful.
  • Enter the roundabout take 3rd exit and retrace route.
  • Traffic turning onto A28 – please be careful.
  • Turn left back into Chilham Park and dismount.

At the end of the bike section approach the BIKE DISMOUNT LINE then wheel your bike back into transition.

NOTE:  There will be a Dismount Zone – if you cannot ride your bike up the small hill to the dismount line – you are allowed to push or run/walk your bike in this area. Uneven ground underfoot BE CAREFUL.

REMEMBER – Helmets must stay fastened until bike is racked!  Rack your bike, remove your helmet, put on your run shoes, move your number to the front if using a race belt and follow RUN OUT signs to start your 5km run.


Teams – the team cyclists will need to hand the timing chip over to the runner. An area for teams will be marked out for this to take place. The runner will then need to place the chip timing strap on their left ankle and continue.

The condition underfoot to the mount line is grass, this maybe slippery and uneven BE CAREFUL. Once on your bike the first section when you exit Chilham Park is tarmac but some of this surface is uneven with some loose gravel again BE CAREFUL. Do not spoil the first part of you event by being over zealous.

Event Details

What’s Included

Teams of 2 or 3 people make up a team. Each team member will either run, bike or run. The price listed is the fee per person.

Collect your event bag which will contain 2 x numbers, 1 sticker for the bike, 1 sticker for your bike helmet, T-shirt and goodies. Make your way to Chip timing desk and collect your chip.

Please ensure your Bike and Helmet are road worthy. These will check as you enter transition- please, put your cycle helmet on.

Your entry includes

  • Event entry
  • On course aid station provided by PowerBar
  • Bespoke finishers medal
  • Chip timing
  • Event T-shirt
  • Goody bag
  • Live Results while you race
  • Free parking
  • Special offers from event sponsors
Raceday Logistics

Registration & transition will open from 6am. Registration will take place in the marquee in the field at Chilham Park.

* If you are entering a Relay Team, all non BTF members in the team must purchase a BTF Day licence at registration (Cost £5 per licence).

Your event number will be displayed on the board, once you know your number, please head to the appropriate desk. You will be asked to show your BTF licence.

8:00 am - Sprint START

8:15 am - Standard START


Bring your friends to watch there is plenty of room and you will be able to see a lot of the event. But could you please follow some basic safety rules both for you and competitors.

Please park in Chilham Park, if you travel with a competitor, please. If you arrive late park and the event has started please use the car park at Taylors Hill – this is a free car park – walk round to enter the park by the village hall. Please be careful if cyclists are leaving or entering the park. Marshals will be here to direct you.

No spectators in transition area, thank you.

Please do not assist or impede any competitors

Follow marshal’s instructions.

While in Chilham Park you are encouraged to find a suitable viewing position to watch the event.


Age Limit

Standard distance events must be 17 years of age by 31.12.18. Juniors between 15 and 17 may take part in the sprint distance events only.


To ensure there is no abuse of the deferment policy, we will only allow people who tell us at least 30 days in advance to defer their entry to the following year. We will only allow you to defer for a single year, so if you are unable to take up a place that you had previously deferred, we will not allow it to roll over for a second year.

You can receive a credit to one or more of our events for the following year in the following values at different time periods:

Two months or more before – 75% credit note

One to two months before – 50% credit note

Less than 30 days – no credit, and no transfers

If Trispirit Events has to completely cancel an event that cannot be moved to an alternative date for any reason, we will give you a full refund. However, this will not apply if we merely have to make alterations to an event, including but not limited to the course, start times or distance of the event.

Any changes would be kept to an absolute minimum, but safety is paramount, and we reserve the right to make changes to the courses or any other aspects of the event without notice to meet any safety concerns expressed either by the directors of Tri Spirit Events, British Triathlon Federation referees, or any other relevant authority.

Q. How do I know if my entry has been accepted?

A. If you have entered online you will received an automatic email from Active. If you send us a postal entry as soon as you cheque is cashed you are in the event. Please allow a week for this process.

Q. Will I be sent my bib number or information?

A. We do not send anything out in the post. One week before the event date an email message will be sent, so please check your inbox. This message will contain all the event information you require including your bib number, event information and parking etc.. this will also be available online at the Tri Spirit Events website. Make sure you look on the correct event landing page.

Q. Can I enter on the day?

A. No, our events fill up, so you are better off signing up early, so not to be disappointed. You will also benefit as our early bird entry fees will apply.

Q. What are the ground conditions for the run at chilham castle?

A. The surface underfoot is grass, woodland paths which is uneven in places. These are muddy and narrow in places, please be careful.

Q. Is the bike section off road?

A. No, the bike section is on road and open to traffic. Remember to beware of other competitors and traffic.

Chilham Castle Duathlon weather forecast

Rain in the evening and overnight.

Predicted highs
Predicted lows
Icon60% chance of rain
IconModerate breeze possible, up to 17mph

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Tri Spirit Events brings bespoke triathlon and multisport events to Kent. Organising multi sport events in Kent at great locations. Anything from a 5K run to a middle distance triathlon.



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