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Buckinghamshire TRi.png Chesham Kids Tri 24.png

Buckinghamshire Triathlon


Click here to enter

Date: Sunday 17th August 2025
Venue: Chesham Leisure Centre & Chesham Grammar School
White Hill, Chesham, Bucks, HP5 1BA
Swim: 25 metre Indoor Pool
Starts from:  From 8am (individual start times will be provided).
Sprint Triathlon: 300m swim - 20K cycle - 5k run 
Team Relay Triathlon: 300m swim - 20K cycle - 5k run 
Super Sprint Triathlon: 150m swim - 10K cycle - 2.5k run 
Fun Triathlon: 150m swim - 10K cycle - 2.5k run 
Fun2Tri: 100m swim - 6.5K cycle - 1.25k run 
CRUK Wave: 150m swim - 10K cycle - 2.5k run Click here to enter CRUK Wave
Minimum Age: 16 Years (on race day)
Do you have children that can't wait to become a triathlete?

Make a weekend of it and enter them in the Chesham Kids Fun Triathlon on Saturday 16th August 2025 for 5-16 yr olds.

The Event

A fabulous challenging weekend of triathlon at a great central location that's easy to get to and is guaranteed to be swimming, cycling and running fun for all ages and all abilities. Whether you are a total beginner or a seasoned triathlete or club triathlete, the Buckinghamshire Triathlon has it all. Set a goal for the 16th of August and secure your place in the inaugural Buckinghamshire Triathlon in Chesham.


  • Leisure centre heated indoor pool swim
  • Rural Buckinghamshire countryside bike courses
  • Flat grass run course within the grounds of Chesham School
  • Registration, swim start, transition & finish line all with in a stones throw of one another
  • Commemorative finishers medal for every entrant


Swimming: The triathlon begins with a pool swim, where participants complete their chosen distance, with everyone having an individual swim start time (based on their swim estimate). This allows competitors to participate alongside others of the same swim ability.

Cycling: After conquering the swim, competitors transition to the cycling stage. The cycling routes winds through the scenic countryside surrounding Chesham. The 20K and 10k courses offer a challenging and visually captivating ride. The 6.5K Fun2Tri route offers flat stretches, turns, and a fun and encouraging course atmosphere. 

Running: The final leg takes participants to Chesham's School field for the run section of the triathlon. The field provides an excellent running course, fully grass and flat, allowing athletes to showcase their endurance and determination as they approach the finish line.

The Buckinghamshire Triathlon 2024 is not just a race; it's a celebration of fitness, a fun and relaxed atmosphere for teammates, friends and family to enjoy.




Our fun & friendly events are open to everyone and an ideal introduction for beginners to the sport of triathlon. The Buckinghamshire Triathlon offers a unique "Fun2Tri" distance to encourage all to the sport and offers a supportive environment, with cheering crowds and a fun & relaxed atmosphere meaning everyone enjoys the day, competitors and friends & family alike.

We can offer lots of support and online beginners advice to help make your Triathlon the best it could possibly be for you. As well as a great atmosphere, you are sure to gain a special sense of achievement as you cross the finish line to receive that all important “finishers” medal and confirmation the end result was worth every bit of hard work!

Don't want to go it alone?

Take part a relay team of two or three and share the challenge of swim, bike, run! We just need your team captains info to complete an entry form and your team is good to go!


Trophies awarded for top 3 in each category, as well as the 1st place in every age group. Official medal awarded to every finisher

Super Sprint

Trophies awarded to first place in each category. Official medal awarded to every finisher

Fun Wave

Non-competitive, official medal awarded to every finisher.

Cancer Research UK Wave

Non-competitive, official medal awarded to every finisher. £10.00 from your entry fee will go directly to CRUK.

#tritogether Wave

Non-competitive, official medal awarded to every finisher

CRUK Wave @BuckinghamshireTriathlon


cruk buckinghamshire @ logo.jpg

The CRUK Wave is aimed at encouraging more participants, of any age, gender or ability, to unite and take on a challenge for the purpose of funding life-saving research into all 200 types of cancer.

This change comes after the success of the UK Triathlon Pink Wave, it reflects the movement towards a more inclusive environment for all participants who want to complete a triathlon at their own speed, whilst raising money for life-saving research.  

We want to encourage everyone to have a go! Any age, any ability, just get together for the camaraderie and challenge, whilst raising vital funds for research into beating cancer.

UK Triathlon will donate £10 from every CRUK Wave entry to Cancer Research UK. Cancer Research UK is a registered charity in England and Wales (No. 1089464) and Scotland (No. SC041666)

Click here for The CRUK WAVE ENTRY FORM

Course Maps

The swim discipline takes place from the indoor swimming pool followed by the cycle course which is flat with some undulations and takes in many fields and trees in this rural route through the Buckinghamshire countryside.

The final run discipline is on grass around the picturesque grounds of Chesham School.

PDF Documents: click each to open or download

Bike Course - Start & Finish

Event Area & Run Course Map

Sprint & Sprint Relay x 4 laps = 5km

Super Sprint & Fun x 2 laps = 2.5km

Fun2Tri x 1 lap = 1.25km

Very flat run course all on grass. To complete one lap, it is out and back, your turn point will be by the finish line.


Buckinghamshire Triathlon Bike Course

To view course direction & distance markers, please click on, “view full version” (top left-hand corner of the map) or run your mouse cursor along the mountain graph to see course direction.


Buckinghamshire Fun2Tri Bike Course 6.5K


More information about your race


Race Day Information 2024

You can use this information as a guide for your event. Full and up-to-date 2024 competitor race day information with your race number and start time will be emailed to you 7-10 days before the event.

WE DO NOT POST ANYTHING OUT - you will collect your race numbers and stickers at registration on the day.

Unfortunately due to the venue being a school playing field, no dogs are allowed on the site.

  Please only email queries to [email protected] when the full results are posted.

2024 Results - Provisional

Event Photos

Entry Form

Buckinghamshire Triathlon 2025 Early Bird

On Sale: £60.00 was £89.00

(Price per race entry or per relay team)

The price will adjust automatically once you have made a selection.

Please Note: All Competitor Race Day Information (Individual Start Times, Bib Numbers, Full event info pack etc) will be emailed out to competitors 7-10 days before the event.

The Buckinghamshire Triathlon prides itself on its inclusive nature, welcoming athletes of all ages and skill levels. Novice triathletes find encouragement alongside seasoned professionals, creating a supportive environment that fosters personal growth and achievement.


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Want to take part with a friend or family member?

With #TriTogether you can swim, cycle & run together as part of a friendly wave.

The idea behind #TriTogether is that people often feel more comfortable taking on a challenge like a triathlon if they have a friend to take part with. 

We want to encourage everyone to Tri, be that competitively or simply just for the fun of it.

How to Join

To join the #TriTogether wave, once you & your Friend have submitted your entries, please fill in the request form below, & we will add you both to the friendly #TriTogether wave.


Telephone Entry

If you would prefer to enter over the phone please call

01270 842800 and secure your place today!

(Lines are open Monday to Friday, between 9:30am-3:00pm).

Transgender policy
Only people who are female sex at birth are eligible to compete in the Female category.
All individuals including transgender people are eligible to compete in the Open category. Responses to this question will enable us to allocate competitors into the correct race category as required under the British Triathlon Transgender Policy effective 1 January 2023. This policy can be read here and provides more information regarding race categories and eligibility.
For any queries about the transgender policy, please email [email protected]