Olympic triathlons

Olympic triathlons

Standard (aka Olympic) distance triathlon events | 1.5km swim + 40km bike + 10km run

Olympic triathlons in the UK

An Olympic or 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.

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Olympic and standard distance triathlons in 2025

Featured events are listed below - select a month/region or the map view to see all events.

ATW presents the Bristol Standard Triathlon, one of the UK's most-popular 'closed-road' triathlon events, in a vibrant city known for its culture, creativity and green spaces.
  • Sun 6 Jul
  • £105-£125
Bristol, Somerset, UK

ATW Bristol Triathlon | Standard Triathlon

ATW presents the Bristol Standard Triathlon, one of the UK's most-popular 'closed-road' triathlon events, in a vibrant city known for its culture, creativity and green spaces.

  • 1500 m lake swimming
  • 34 km road cycling + 669 ft ascent
  • 10 km road running + 174 ft ascent
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Standard Triathlon.
  • Sun 6 Jul
  • £99-£120
St. Neots, Cambridgeshire, UK

ATW St Neots Standard Triathlon | Race 2

Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Standard Triathlon.

  • 1500 m river swimming
  • 45 km road cycling + 712 ft ascent
  • 10 km road running + 0 ft ascent
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sun 13 Jul
  • £99-£120
Windsor, Buckinghamshire, UK

Dorney Standard Triathlon

Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • 1500 m lake swimming
  • 40 km road cycling
  • 10 km road running
Entries close soon
One of the most popular distances within the sport of triathlon, catering to both amateur and professional athletes, striking a balance between speed and endurance.
  • Sun 13 Jul
  • £80-£95
  • Entries close soon
Ripon, North Yorkshire, UK

Ripon Triathlon Festival | Standard Triathlon

One of the most popular distances within the sport of triathlon, catering to both amateur and professional athletes, striking a balance between speed and endurance.

  • 1.5 km lake swimming
  • 40 km road cycling
  • 10 km road running
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in an Olympic Triathlon! Celebrate in the festival village afterwards.
  • Sun 20 Jul
  • £125-£165
Grantham, Leicestershire, UK

Belvoir Castle | Olympic Triathlon

A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in an Olympic Triathlon! Celebrate in the festival village afterwards.

  • 1.5 km lake swimming
  • 45 km road cycling + 957 ft ascent
  • 10.5 km road running + 615 ft ascent
Take on a multi-activity or distance event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sun 27 Jul
  • £99-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | July | Standard Triathlon

Take on a multi-activity or distance event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • 1500 m lake swimming
  • 40 km road cycling
  • 10 km road running
Start your triathlon journey with Bishopton Lake, home of the North East Wake Park. This venue offers a great opportunity for beginners to test their grit in an Olympic Triathlon.
  • Sun 3 Aug
  • £70-£80
Stockton-on-Tees, County Durham, UK

Bishopton Olympic Triathlon

Start your triathlon journey with Bishopton Lake, home of the North East Wake Park. This venue offers a great opportunity for beginners to test their grit in an Olympic Triathlon.

  • 1500 m lake swimming
  • 54 km road cycling + 1234 ft ascent
  • 12 km multi terrain running + 101 ft ascent
Awarded the Event of the year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon in the UK. It is not for the faint-hearted.
  • Sun 3 Aug
  • £105.99-£130.99
Betws-y-Coed, Clwyd, UK

Craft Snowman Standard Triathlon

Awarded the Event of the year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon in the UK. It is not for the faint-hearted.

  • 1500 m lake swimming
  • 69.3 km road cycling + 3753 ft ascent
  • 8.7 km multi terrain running + 2276 ft ascent
Take on a multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 9 Aug
  • £99-£120
Windsor, Buckinghamshire, UK

Dorney Standard Triathlon

Take on a multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • 1500 km lake swimming
  • 40 km road cycling
  • 10 km road running
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Standard Triathlon.
  • Sun 10 Aug
  • £99-£120
Saint Neots, Cambridgeshire, UK

ATW St Neots Standard Triathlon | Race 3

Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Standard Triathlon.

  • 1500 m river swimming
  • 45 km road cycling + 712 ft ascent
  • 10 km road running + 0 ft ascent
Now twice-yearly due to popularity, the Standard Tri is a superb swimming venue with quiet rolling roads for the bike course and a cracking run too. Plus there's lakeside camping available too.
  • Sun 31 Aug
  • £82
Lifton, Devon, UK

Roadford Lake Triathlon Autumn | Standard

Now twice-yearly due to popularity, the Standard Tri is a superb swimming venue with quiet rolling roads for the bike course and a cracking run too. Plus there's lakeside camping available too.

  • 1500 km lake swimming
  • 46 km road cycling + 4245 ft ascent
  • 10 km trail running + 1644 ft ascent
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.
  • Sun 7 Sep
  • £99-£120
Penrith, Cumbria, UK

Helvellyn Triathlon

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.

  • 1.5 km lake swimming
  • 59 km road cycling
  • 15 km trail running
Athletes of all levels are guaranteed to enjoy The Standard Triathlon at this fantastic venue that has been used for award-winning triathlons, national championships and GB qualifier races!
  • Sat 13 Sep
  • £99-£120
Huntingdon, Cambridgeshire, UK

ATW Grafham Standard Triathlon

Athletes of all levels are guaranteed to enjoy The Standard Triathlon at this fantastic venue that has been used for award-winning triathlons, national championships and GB qualifier races!

  • 1500 m lake swimming
  • 38 km road cycling + 748 ft ascent
  • 10 km road running
Bringing back the Sundowner Olympic Triathlon! An unforgettable triathlon event at Allerthorpe Lakeland Park in Yorkshire is now back on the race calendar and 100% going ahead!
  • Sat 13 Sep
  • £70-£88
York, East Yorkshire, UK

Sundowner Olympic Triathlon

Bringing back the Sundowner Olympic Triathlon! An unforgettable triathlon event at Allerthorpe Lakeland Park in Yorkshire is now back on the race calendar and 100% going ahead!

  • 1500 km lake swimming
  • 40 km road cycling + 146 ft ascent
  • 10 km trail running
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.
  • Sun 14 Sep
  • £83-£98
Aviemore, Highland, UK

Aviemore Triathlon | Long Hard Durty

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.

  • 1000 m lake swimming
  • 18 km mountain biking
  • 9 km trail running
The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for Standard-distance triathletes to enjoy in an exclusive setting.
  • Sun 21 Sep
  • £82-£97
Windsor, Buckinghamshire, UK

Eton Dorney Standard Triathlon

The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for Standard-distance triathletes to enjoy in an exclusive setting.

  • 1.5 km lake swimming
  • 40 km road cycling
  • 10 km trail running
The Big East and Maldon Triathlon is brought to you by the largest triathlon organiser in the UK! A great experience featuring a tidal river swim.
  • Sun 21 Sep
  • £99-£120
Maldon, Essex, UK

ATW Big East & Maldon Standard Triathlon

The Big East and Maldon Triathlon is brought to you by the largest triathlon organiser in the UK! A great experience featuring a tidal river swim.

  • 1500 m river swimming
  • 40 km road cycling + 479 ft ascent
  • 10 km trail running + 86 ft ascent
Take on a multi-activity or distance event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 27 Sep
  • £99-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | September | Standard Triathlon

Take on a multi-activity or distance event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • 1500 m lake swimming
  • 40 km road cycling
  • 10 km road running
Great Britain Age Group 2026 Team Qualifier. Get active in the award-winning grounds and surrounding Kent countryside in an Olympic Triathlon in an event for all ability levels then celebrate after!
  • Sun 28 Sep
  • £125-£165
Edenbridge, Kent, UK

Hever Castle | Olympic Triathlon

Great Britain Age Group 2026 Team Qualifier. Get active in the award-winning grounds and surrounding Kent countryside in an Olympic Triathlon in an event for all ability levels then celebrate after!

  • 1.5 km lake swimming
  • 40 km road cycling
  • 10 km road running
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!
  • Mon 4 May 2026
  • £58-£63
Tavistock, Devon, UK

Tavistock Triathlon | Standard

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!

  • 800 m pool swimming
  • 36 km road cycling + 1726 ft ascent
  • 10 km road running + 652 ft ascent
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.
  • Sun 17 May 2026
  • £82-£84
Lifton, Devon, UK

Roadford Lake Triathlon | Standard

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.

  • 1500 m lake swimming
  • 46 km road cycling + 4245 ft ascent
  • 10 km road running + 1644 ft ascent
Stunning watersports venue with immaculate water quality, scenic run route, custom designed medal plus team relay option.
  • Sun 24 May 2026
  • £94-£115
Bedford, Bedfordshire, UK

ATW Box End Standard Triathlon

Stunning watersports venue with immaculate water quality, scenic run route, custom designed medal plus team relay option.

  • 1500 m lake swimming
  • 40 km road cycling + 837 ft ascent
  • 10 km road running + 170 ft ascent
  • Sun 6 Jul
  • £94-£129
Braunton, Devon, UK

Croyde Ocean Olympic Triathlon

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.

  • 1.5 km sea swimming
  • 37 km road cycling
  • 12 km trail running

Olympic triathlons near you

Select your location for standard distance triathlons in your area.