Endurance, speed and excitement ... triathlons are the ultimate events for fitness freaks and beginners alike.
Want to use your determination to help beat MS? Get involved in a triathlon, and run, swim and cycle your way to success.
Bike past Big Ben, run alongside Canary Wharf, and swim in London Docklands. Take part in the largest triathlon in the world!
Set in the heart of the beautiful Lake District National Park, the Windermere triathlon is one of the most scenic and exciting triathlons in the UK.
Taking place in the stunning grounds of Blenheim Palace, swim in the Great Lake and cycle and run through the picturesque palace grounds.