A standard distance triathlon involves a 1.5km swim, a 40km bike ride and a 10km run. Short enough for confident beginners but long enough to be a real endurance challenge, Olympic triathlons have a lot to offer - and as the most popular type of triathlon in the UK, there are plenty of events to choose from. Select your location for Olympic triathlons in your area or scroll down to see events coming up.
Featured events are listed below - select your region to see all events.
Formerly The London Triathlon, this is one of the world’s biggest triathlons where athletes will race through the capital on a landmark-filled route. London is calling!
Race through the beautiful grounds of stunning Belvoir Castle out into surrounding Leicestershire in an Olympic triathlon for all levels then celebrate with friends and family in the festival village.
A stunning venue and magnificent grounds with manicured sports fields, lakes, wildlife and greenery, ideally set up for athletes of all levels with relay option and a custom designed medal.
A renowned, challenging and unique event where the toughness of the course is only matched by the stunning scenery of the Lake District National Park. Not just another race but highly demanding.
Join the Aviemore Triathlon in the beautiful Cairgorms and enjoy an open water swim in the cool, calm waters of Loch Morlich and enjoy mountain biking and running on the trails of Glenmore Forest.
Taking place across the scenic Thames Valley area with routes going through Culden Faw Estate. Swim the river, cycle the hilly open roads, run through the trail paths enjoying great views.
Race through the beautiful grounds and surrounding area of the stunning Hever Castle in a triathlon for a range of levels then celebrate with friends and family in the festival village.
Race through the beautiful grounds of Hever Castle in a standard aquathlon for all levels then celebrate with friends and family in the festival village.
Tavistock Triathlon is for all ages and abilities using the amazing Olympic legacy 50m pool at Mount Kelly with quiet rolling roads for the bike and the disused railway line for the run. What a venue!
This triathlon returns for another successful year! It’s a superb swimming venue with quiet rolling roads for the bike course and a cracking run too. Plus there's lakeside camping available too.
The successful Dartmouth Triathlon returns for its 9th year! Sea swim, stunning coastal bike route, out and back run including Devon's flattest road, plus chance to camp on the beach!
The Classic Triathlon will not fail to impress. With stunning views of Weymouth nature reserve and a true test of stamina, you'll be beaming with pride at the finish line.
Previously known as Mount Edgcumbe Triathlon, triathletes of all abilities can experience a truly exceptional coastal venue, finishers medal, t-shirt and memorable day out at a fantastic event.
This Olympic Distance Triathlon was one of 220 Triathlons 'Top 21 must-do' triathlon challenges for 2022, and shortlisted for best triathlon in the UK for 2020! Stunning and savage.
Select your location for standard distance triathlons in your area.