London Duathlon FAQs



General Information 

When is the London Duathlon taking place?  

3rd September 2023   


Information for Locals

You can find all the necessary information at this link here. If you have any questions, please do reach out to our Customer Team ‘’.  

Event Notice

For health and safety reasons and to ensure our participants enjoy the best possible experience on race day, the roads and trails throughout Richmond Park, including the Tamsin Trail, will be closed to all vehicles and non-event cyclists on Sunday 3rd September 2023.  


What challenge options are there for the London Duathlon?   

Half Duathlon – Individual entry: 5k run / 22k bike / 5k run

Full Duathlon – Individual entry: 10k run / 44k bike / 5k run    

Ultra Duathlon – Individual entry: 20k run/ 77k bike/ 10k run   

Relay Duathlon ~ Team Entry -  10k run / 44k bike / 5k run (Split between each team member). Relay teams can have either 2 or 3 people in each team.   


I have entered the race. How/ when do I find out about the race day?   

There will be plenty of information published about the London Duathlon on our website and social media channels in the build-up to event day. Furthermore, details of how to get your race number, start times and race instructions, will be shared with you 2 weeks before the event.    


Is there a minimum age?    

The minimum age for competitors is 16, as long as you are 17 on or before 31st December 2023. 


Does any part of the entry fee go to charity?    

Your entry fee covers the staging of the event and third party insurance. 


Is parking available in Richmond Park?  

Yes, there will be limited race day parking available in Richmond Park. We will be in touch with all participants ahead of race day with the chance to purchase a first come first served parking space.    

If you do not purchase a car parking place, we’ll share information within our travel advice page in the lead up to the event as to locations of other nearby options.   


How do I get to Richmond Park?  

Our travel advice page will be available on the website in advance of race day including closest stations, road directions and other car parks available if you do not purchase a place in our car park.  


Are pets allowed?  

Event Village: 

Yes, however they must remain on their lead at all times and be accompanied by one of your spectators, for the safety of them, our staff and other participants, as well as the other wildlife that Richmond Park is home to.   


Participants cannot race with their pets on the route. If spectators take pets along the route, please ensure they remain off the route itself and are on a lead at all times for the safety of our competitors.   


Are Spectators allowed?   

Yes, it will be an exciting day out for friends, family and local supports. The Event village will be open for spectators to enjoy the atmosphere and cheer on the duathletes.    


Is the event registered by the BTF?  

London Duathlon is not currently registered with the BTF but operates as an independent event covered by its own insurance policy in line with best practice in the event organisation industry. We do follow BTF Rules which can be found here.   


Is water available during the races?  

There will be a number of water stations on each run route. There will also be water stations on the bike route but only for the Ultra participants - it is your responsibility to ensure that you have enough fluid to keep yourself hydrated on the bike leg.    

Please bring your own bottles to refill with water as we will not provide paper cups in our efforts to become carbon neutral by 2025.   


Can I listen to music or wear headphones whilst racing?  

Unfortunately, we do not allow participants to race with headphones in. The safety of our participants is paramount and through wearing headphones you will be less likely to hear other competitors or marshals, which could become a hazard on route. By not wearing headphones you will also be able to enjoy the experience more and soak up the encouragement from spectators. If you are seen to be wearing headphones on race day you will be kindly asked to remove them and if caught with them during the race you will be disqualified. Furthermore, no mobile phones or MP3 players are allowed to be used in transition or while you are racing.   


What time should I arrive?  

You should arrive 90 minutes before your start to get your gear set up correctly in transition before warming up and making your way to the start line.    


When should I receive my race pack?   

You will need to collect your race pack on race day at the Race Pack Collection area in the event village.  You will be sent a QR code the week of the event which you will need to use to collect your race pack.  

This will contain all the essential items for your race, including a security wristband, 2x bike numbers, your race number and your timing chip. Team relay captains will need to pick up the race pack for their whole team.   


What do I need to do with the items in my event pack?    

The bib number is used for the cycle and run elements of your challenge. The number goes on your back for the cycle and on the front for the run. This can be attached with safety pins, however, it is recommended to use a race belt. You simply attach your number to the race belt and then put the clip it around your midriff. It can then be moved to show the number on your back for the bike and on the front for the run.    

  The bike number stickers are placed on the front of the bike, the top of your helmet and around your seat post which serves two purposes.   

- To ensure you are taking the correct bike out of transition    

- You can be identified on our official photos which you may wish to purchase    

  Your wristband needs to worn to get you in and out of transition. Without this you cannot gain access to this area . 

You will also be given a reusable timing chip that must be worn on your left ankle. These must be returned post event in the buckets at the finish line, there will be staff on hand to assist you in removing your timing chip. Any unreturned chips will be charged to the participant at £25 per chip. For team relay participants, the timing chip acts as a baton and must be passed between relay members throughout the race. 


Are disc brakes and disc wheels allowed?  

Disc brakes are allowed as this is a non-drafting event. Disc wheels are also permitted at the event, however this may be amended should the Event Organiser and Technical Official decide in the interest of safety, such as high winds.   

Fixed wheel bikes are not permitted in the race and handlebars must not have bare metal ends – please obtain stoppers to plug them before coming to the race.  


Can I use tri bars on my bike?   

Tri bars (and handlebars) must be plugged and they must be secure. There is no requirement for them to be shorter than the brake levers unlike in the elite races.   


Is the race draft legal?   

Drafting is against the rules for all but the Elite Competitors. You must not take shelter cycling behind or cycle beside another competitor during the race. You can be disqualified from the race for drafting. The draft zone is a rectangle measuring ten (10) metres long by two (2) metres wide. The centre of the leading 2 metre edge is measured from the back edge of the back wheel.   


Where do I find more information on rules and regulations?   

For more detailed triathlon rules and regulations please click here or contact the British Triathlon Federation  


When will I find out my start time?  

Start times and wave allocations will be sent out to you via email and posted on the website around 2 weeks prior to the event.   


Can I change my wave allocation and start time?   

We do not change wave start time unless it is in an extreme situation. We manage each request on a case-by-case situation, please email ‘’ for assistance.  


How can I rent a bike for the event?

Easy Participant Bike Hire at our multi-sport events is facilitated by OnYourBike. Follow this link to get a bike delivered directly to the event, all you have to do is click, pay and turn up on the day.  Please note that the last day to hire a bike is 18:00 on Tuesday 29th August.

Do I have to pick my bike up and deliver it back at the OnYourBike store in London?

No delivery is taken care of as part of your hired cost, OnYourBike will have it ready and waiting for you at the event itself.

Where will OnYourBike be at the event?

Onyourbike will have a stall within the Event Village itself.

When do I collect my bike?

Collect your hired bike the morning of the event from our stall in the event village.

When do I return my bike?

Following the completion of your event, please return your bike to OnyourBike stall in the event village before leaving the event site.

Participants with Disabilities 

LimeLight Sports Club events aim to be inclusive, offering people of all abilities the opportunity to take part.   

Please read the information below about taking part if you have a disability and/or require assistance on event day.   

Disabled participants who need assistance:  

If you are a visually impaired triathlete or your disability and/or medical conditions means that you require a guide assistant, then please contact us at detailing your request.   

Please contact our Customer Service Team, with a description of your disability. We will assess this and establish if it is possible to compete and what we require to make this feasible.  

We strongly advise that each participant and their guide should be appropriately identified and linked together in a safe way on event day. Guide dogs are permitted on the event site, however they are not permitted on the London Duathlon race route. 




Why am I being redirected to LET'S DO THIS when entering the London Duathlon 2023?  

LimeLight Sports Club has partnered with 'Let’s Do This' to take on the London Duathlon entries for 2023.   

When you enter the London Duathlon, your entry information and payment is processed by 'Let’s Do This' and passed securely to LimeLight Sports Club. Your bank statement will show 'Let’s Do This' against your event entry and you will receive a booking confirmation email from 'Let’s Do This'. Once you are entered, all event communication will come from LimeLight Sports Club and the London Duathlon team. 


How can I check if I’m registered?  

You can check you've registered for any of our 7 Original events through our Limelight Sports Club website after being redirected to our booking partner Let's Do This. Our 7 Original events are; London Triathlon, Blenheim Palace Triathlon, London Duathlon, Etape Caledonia, Hackney Half, ASICS London 10K and Oxford Half.  

When you completed your registration and purchased your entry you should have received a confirmation email from us containing all the details of your event booking including your booking reference.  


How do I edit my registration details?    

Editing your registration details, including predicted finish time, and race pack delivery address is easy, for now please just reach out to Let's Do This at and they will be able to update your information.   


My desired race category is not available, what can I do? 

Each race category has a specific number of places and if this is full it will display ‘Sold Out’. Alternatively, if you cannot find the desired race category on the entry form please contact our customer service team who will be able to assist you 


I am entered into the 2023 event but would now like to change the distance I am competing in. Is this possible?   

Yes, you are able to do this. Please email with your request and we will assist you further. Please note: you will only be able to transfer into challenges with available places. 


Can I defer my entry or get a refund if I am no longer able to attend the event?  

The entry fee to the London Duathlon is non-refundable and cannot be deferred to a future year or transferred to another person.   

If you are unable to participate in the event for any reason, you will not receive a refund of the event fee, any booking fee, and/or any other costs you have incurred in connection with your entry into the Event.  

Low-cost insurance policies are available that protect event participants in the event that they have to withdraw from the event due to injury, illness or other reasons depending upon the insurance policy in question. Where possible we will provide a link to an insurance option of this type during the registration process, but we do not do so as any form of recommendation of the specific policy, other than to recommend that participants provide themselves with adequate insurance.   

For further information on this please read the full entry Terms & Conditions here.  


I am an LSC member who has signed up, but am now unable to make the date – what are my options?   

If you can’t make the date, please get in touch with our Customer Experience team via    

Please note you must let us know you are unable to attend you must let us know a minimum of 1 month before the event date if you would like a refund and 1 week before the event if you would like to defer your place or transfer it to another LSC Member.   



Charity Participants 

I have a general entry place, can I still participate for a charity?  

Yes, you're free to raise funds for whichever charity you like. If you don't have a charity in mind, you can find our supporting charities on our London Duathlon page here.  


How do I participate in the London Duathlon for a charity?  

You can find all London Duathlon charity partners section on our London Duathlon charities page of the website. Contact the charity of your choice and let them know you'd like to participate for them!  

We recommend setting up a JustGiving page to assist with marketing and securing your funds. 


I am a charity looking to purchase places in the London Duathlon, how do I do this? 

To register your Charity to buy places in London Duathlon 2023, please click here. You will need to register a new account for 2023. To start, please specify if you would like to pay for your places by credit/debit card or invoice. 

If you opt to pay for your places via invoice: you will be issued an invoice within 4 working days. Following payment, your event places will be reserved immediately.

Once your places have been confirmed as paid, you will be sent a link to access your event dashboard to invite your fundraisers to register for the event.

If you have any questions, please don’t hesitate to contact us via email at


Additional Information 

How do I volunteer? 

If you’d like to volunteer and be #partofthecrew please contact:  

We couldn’t do our events without our incredible volunteers. Working at the London Duathlon is an incredible opportunity and an amazing weekend of sport.  


What happens if I feel unwell whilst participating?   

See your GP if you have a problem or worry that might make it a risk for you to take part in the event. If you have any known medical conditions (such as diabetes, asthma, allergy to penicillin, etc) inform us prior to the event by entering it in the box provided on the online application.   

In addition, please write all medical details on the back of your event number. Whether you have a medical condition or not, if you feel unwell on the event day – don’t take part. If you have flu, a feverish cold or a tummy bug, do not train until you have fully recovered. Then start gently and build up gradually. Do not attempt to catch up on lost mileage after illness or injury – this may cause further damage or illness.  


Who do I contact for lost property?   

Please contact the event organisers via email,, with a full description of the missing item and we will do our best to reunite you with the item. 


How do I buy a photograph of myself crossing the finishing line?   

Marathon Photos are our official photographer for the event. Please go directly to their website to retrieve your photos and further information.  


How can I find out my finish time?   

Provisional results will be available via the tracking link on our website and if you have inputted a British mobile number, they will be texted to you. They will also be emailed to you post event.  


I still have my timing chip, how do I return it?   

This year, all timing chips are reusable and must be returned. Any unreturned chips will be charged to the participant at £25 per chip. If you have accidentally taken yours home, please email for details on how to return it. 


You have got my age group wrong? 

Your age group is based upon the date of birth that you entered. Note that your age group is determined by your age at 31 December of the race year and not your age on race day (in accordance with BTF rules).  


Is there a cancellation/waiting list?   

Please note that we don’t operate a reserve/cancellation list as we already take into account the usual drop-out rate prior to the event. 


I am not receiving any email communication about my entry?   

There may be several reasons for this. Firstly, please ensure that you are entered correctly into the event by following the instructions outlined above. Secondly, emails can often get directed straight into junk/spam folders or get rejected by email servers altogether. Please ensure that you check those filters and additionally add ‘’ to your safe senders list.  

If you have unsubscribed from our mailing list and would like to resubscribe, please click here.