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Welcome to UK Triathlon

  •  
  • Wide choice of events and distances to choose from
  • Open to everyone from Beginners to Club & Pro Triathletes
  • Award-winning events open to all ages
  • Easy online entry system 
  • No booking fees 

 

An Event For Everyone

 

First Timer Events

Kids Events

Long Distance Events

League • Team • Endurance

What we offer…

Award Winning Events

Proud winner of Large Event of the Year 2022, host of the World Standard Distance Qualifier 2022 & 2023 British Sprint Championships.

Events For All

Our events are open to everyone, from first timers to experienced triathletes & juniors. We welcome all abilities and levels of fitness.

Stunning Locations

Join us at our wide range of venues that take in the natural beauty of their surroundings, from countryside cycles to picturesque riverside runs.

On and Off Course Support

From training plans that help you make the best of your race, to our fantastic event crew and marshals cheering and supporting you around each course.

Electronic Chip Timing

Race day timing, with full split results, showcasing your Swim, Transition, Cycling and Running race times.

Medals and Prizes

Official finishers medal for everyone who crosses the finish line. Top three places awarded in all competitive triathlons as well as age group prizes.

Find your next event

Choose from a wide range of events to suit all ages and Experiences

FIND OUT MORE

Rachel

Alderford Triathlon - 2024

The organisers were so helpful and friendly. Marshalls were so supportive and lovely. The lake was amazing. Course routes were well mapped out and pleasurable to ride/ run. I have already recommended this on Facebook to my club. I had an amazing time and would definitely come back. Thank you to all involved to make this happen. Also, as an aside- love the design of the medal.

dsimo

Shropshire Triathlon - 2025

Did the ellesmere middle distance. Really professionally run competition. Marshalls and support staff were great and the whole event ran very smoothly. Would definitely attend an event again

Jess (on behalf of all the parents of the Berkeley Blasters).

Caldicot Kids Triathlon - 2026

I just wanted to send an email of thanks for the Caldicott Kids Triathlon. My son, Wilfred and his friends from school all entered as team Berkeley Blasters to the tin event and none of them had ever done an event or competition before. The event was so brilliantly organised, right from initial race packs that made the children really feel like they were doing a 'big event' and getting suitably excited. They were all quite nervous about going into the pool without parents but were welcomed so well at the door, they were all beaming as they came out: so proud of themselves already. They picked up their parents en route to the bike and all seemed totally engaged in 'transition time'. They were all smiling so much doing the cycle and run and the fact they saw each other at different points of the event through the arena style route was really great for them: they talked about this lots afterwards. The big finish arch with a bell to ring and smooth transition onto a stage for a medal was a touch of genius: they all felt like they had won and had been treated fairly and celebrated equally. I've never felt more proud of a group of children: they all pushed themselves and confidence was so high afterwards. Allowing parents to transition with them allowed so much support and all I could see were proud parents everywhere. I must thank you as an organisational team for putting on such a brilliant day, encouraging children into sport and celebrating every single one of them. Wilfred couldn't believe that his name was called out on the loud speaker as he crossed the line: he honestly thinks he's famous now. As a group, the children raised £1370 for Childhood Tumour's Trust, a charity close to their hearts too. Thankyou again,

Eleanor Hobbs

Henley Kids Fun Triathlon 2025 - 2025

I hope you don’t mind me contacting you but I could not resist thanking everyone involved today at the Henley on Thames Kids Triathlon. What an amazing event and incredible experience for the children. My 5 year old competed and had the best time of his life. Every single member of staff we came across was helpful, supportive and genuinely cared about the event. It was definitely worth the ‘near’ 2 hour journey to get there, we will be returning again!

Nick

Henley Triathlon - 2024

This is a favourite of mine as it was my first Tri five years ago. Really friendly but ran like clockwork.

David P

North West Kids Fun Duathlon - 2024

Great event for all ages and abilities well marshalled and good briefings for all age groups. Ewan really enjoyed the whole event lots of smiles from him and other competitors

Garry

York Triathlon - 2023

This was my 4th time at York triathlon. Great signage to car park, registration, transition and to the pool. Everybody was friendly and helpful. Very compact venue through both transitions, and closed roads on the laps on the bike and run were very welcome. Nice to have age groups go up in every 5 years with prize and goody bag, so many venues go in 10 years up to vet 50s only. Only one negative point, Ha ha, my run was rubbish! Hopefully be there next year.

Nikki R

Alderford Triathlon - 2022

Great morning. My first recent triathlon( did one 13 years ago) so was extremely nervous!! But everything was simple and straight forward. Everyone was really helpful and extremely friendly! Thank you! Now which one to tri next. 😀

Daniel

Ultimate Quarter Triathlon - 2024

This was a very well-organized event. Registration was seamless, and the other facilities were great. The lake swim was very pleasant. The bike course was fast and easy to navigate, with marshals at all junctions and good signage for the different races using the same roads. The out-and-back run was nice on a closed country lane, a little undulating but nothing too sharp that would sap the momentum from your tiring legs

Ange M

Shropshire Triathlon - 2022

This is my 3rd year at Shropshire, opting to try the sprint distance to check out the alternate cycle route. An event I've loved everytime I've undertaken it. There is challenge with the hills, but we don't do triathlons for them to be easy. Great support from locals, spectators, crew and other competitors. Perfectly set up for serious competitors, first timers and those wanting to just push themselves. Will I be back, more than likely 😉

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