Milton Keynes | 2 Aug 2026
We’re back for 2026!
The Cowman Triathlon returns to Emberton Country Park, Milton Keynes on Sunday 2 August 2026 a welcoming multisport event for all abilities.
Choose from Middle, Standard, or Sprint distances, plus Aquabike, Aquathlon and Bike-Run options.
With open-water swimming, scenic cycling, and parkland running, it’s an ideal IRONMAN practise event and race good for beginners, whether you’re chasing a PB or starting your triathlon journey.
We’re back for 2026!
The Milton Keynes Cowman Triathlon returns to Emberton Country Park on Sunday 2nd August 2026, ready to welcome athletes of all abilities for another unforgettable day of racing.
Take on the epic Cowman (Middle Distance), the testing Calfman (Standard Distance), or the fast-paced Stampede (Sprint Distance), each designed to challenge and inspire in equal measure. You’ll also find Aquabike, Aquathlon, and a Bike-Run option, offering something for every type of competitor.
With open-water swims, scenic cycle routes, and run courses set in the beautiful grounds of Emberton Country Park, the Cowman is as much about community as competition. Whether you’re chasing a personal best or experiencing triathlon for the first time, you’ll find a supportive, family-friendly atmosphere that makes this event truly special.
Emberton Country Park
Olney Road
Emberton
Olney
MK46 5FJ
There is ample parking within Emberton Park. As an athlete, you will be given free entry into the park, any spectators not travelling with you, will need to pay on arrival.
Overnight Camping is also available - click the button below for more information.
To participate in this event, you are required to become a member of British Triathlon and hold a race licence. You must either become a Core or Ultimate annual member HERE.
OR purchase a single use RACE PASS for your race.
NOTE: all non-BTF members of a relay team must purchase their own Race Pass.
As part of the terms and conditions of all multisport events governed by the BTF by purchasing an Race Pass you agree that your personal details will be shared with the BTF. For further information on what details are shared, and for what purposes, please see the British Triathlon website Privacy Notice page.
If you are already affiliated with British Triathlon Federation you do not need to do anything before the event day.
Emberton Country Park
Olney Road
Emberton
Olney
MK46 5FJ
There is ample parking within Emberton Park. As an athlete, you will be given free entry into the park, any spectators not travelling with you, will need to pay on arrival.
Overnight Camping is also available - click the button below for more information.
Are you passionate about triathlons or just want to be part of an amazing local event? We're looking for friendly, enthusiastic volunteers - no experience necessary!
🎉 All volunteers will receive 50% off any BCS event (excluding Newport Pagnell Carnival 5K) — up to £65 off next year’s Cowman Triathlon!
Be part of the action, support incredible athletes, and enjoy a rewarding day!
👉 Sign Up to Volunteer📧 Check your spam folder for confirmation emails!
What athletes are saying about the Cowman Triathlon Series
Grab your official Cowman Triathlon event t-shirt while stocks last! Once they’re gone, they’re gone — don’t miss out.
Buy Your T-Shirt NowYou must collect your pack during registration, based at Race HQ.
Registration:
Bike racking is on race morning only from 5:30am.
Transition will close 15 minutes before each race.
The cycle course takes place on public roads, so we kick off the race early to avoid having you ride during peak traffic hours.
Please refer to the event Terms and Conditions HERE.
All athletes will begin in a mass start, irrespective of discipline (eg. Triathlon and Aquabike) entering the water a few minutes before your race begins.
Bike-Run Athletes:
You will start from your numbered racking position in transition in a time-trial format.
Your official race time will begin the moment you exit Transition at Cycle Out.
Cowman Distances 18+
Calfman Distances 17+
Stampede Distances 15+ (Parental consent required for 15 year olds as the cycle route takes place on open main roads).
Wetsuit Rules:
Registration will close at 11:59pm on Wednesday 29th July 2026 or when the event is sold out.
There may be entries on the day if the event has not sold out. Please keep an eye on our social media pages for confirmation.
No headphones/earphones of any kind are to be used during the race as per BTF Rules.









