Event Information
About the event
The Royal Windsor Triathlon is one of UK's most legendary multisport challenges. It takes place in Windsor, Berkshire. the 2026 edition will take place on the 14th June 2026.
The first Royal Windsor Triathlon was created in 1991, and 34 years later is now firmly established as one of the top events in the triathlon calendar. Few triathlons can compare with the historical backdrop of Windsor Castle, the majestic River Thames, the green vista of the Long Walk and the stunning overall surroundings of Windsor.
This event contains an open road cycling route.
Why the Royal Windsor Triathlon?
With 30 years under our belts, the Royal Windsor Triathlon has been a mainstay throughout the growth of triathlon the UK. In the recent years, sports stars such as Jonny Wilkinson, Tanni Gray-Thompson, Gareth Thomas and Jenson Button have all taken part in the event and we've been blessed to host triathlon royalty and actual royalty alike, in the form of Princess Beatrice.
Awarded BTFs ‘Event of the Year’ a remarkable seven times, this prestigious triathlon has stood the test of time with its quality delivery, picturesque location and great event village atmosphere. We love it, we hope you'll love it too.
Where is the event?
The Royal Windsor Triathlon has a stunning course that encompasses some fantastic sights. The historic town is situated just to the west of London.
Sprint, Olympic and relay distances are available. Click here to see the full route!
Starting with a swim in the River Thames (watch out for swans!), triathletes then ride a bike route that heads through the streets of historic Windsor, passing Windsor Castle, and out into the surrounding countryside. To complete their challenge, participants will then run into Windsor Great Park and along the spectacular Long Walk in the shadow of the iconic castle. Now we also have a 10k run too! A truly ‘royal’ route, and one that will linger in the memory. You can find out more about the route here.
When is the next event?
The 2026 event will take place on Sunday 14th June 2026.
How much will it cost?
Prices are as follows:
Early Bird - until 14th December 2025 | Standard - until 14th May 2026 | Last Minute - 15th May 2026 onwards
Sprint Triathlon - Early Bird £81 | Standard - £90 | Last Minute - £99
Standard Triathlon - Early Bird £99 | Standard - £110 | Last Minute - £121
Sprint Triathlon with Sunday Racking - Early Bird £99 | Standard - £110 | Last Minute - £121
Standard Triathlon with Sunday Racking - Early Bird £117 | Standard - £130 | Last Minute - £143
Standard Triathlon Relay - Early Bird £135 | Standard - £150 | Last Minute - £165
Sprint Triathlon Relay - Early Bird £108 | Standard - £120 | Last Minute - £132
10k - Early Bird £40 | Standard - £50 | Last Minute - £55