Duathlon events calendar

Duathlon events calendar

Run, bike, then run again - a good test for your legs but leave your swimming goggles at home!

📷 Donut Duathlon Spring

Duathlons in the UK

With a variety of road and off-road events, ranging from super sprint to long distance, duathlons are similar to triathlons but with the swimming leg replaced by a run to give a run-bike-run format. Select your location to find duathlons in your area, read more about the distances below or scroll down for the UK's biggest events.

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Duathlon distances

Find out more about common duathlon event distances below to help find your perfect event.

Super sprint duathlons

Super sprint duathlons

Short events with distances up to 2.5km run, 10km cycle and another 2.5km run - perfect for beginners!

Super sprints
Sprint duathlons

Sprint duathlons

Slightly longer format events with distances up to around 5km run, 20km cycle and final 2.5km run.

Sprints
Standard duathlons

Standard duathlons

Distances vary a lot between road and off-road events but expect anything up to a 10km run, 40km cycle and 5km run.

Standard distance
Middle duathlons

Middle duathlons

A serious test of stamina with up to a 10km run, 60km cycle and another 10km run to finish!

Middle distance
Long duathlons

Long duathlons

The ultimate test in the run-bike-run format with up to a 10km run, 150km cycle and a 30km run.

Long distance
Kids duathlons

Kids duathlons

Find junior duathlon races right here, all staged on safe, traffic-free courses.

Kids duathlons
The beginner's guide to duathlons
  • 10 mins read
First time guide

The beginner's guide to duathlons

Getting started in run-bike-runs is easier than you might think!

Duathlons in 2025

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

Take on a Super Sprint, Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!
  • Sat 1 Feb
  • £47-£88
Windsor, Buckinghamshire, UK

Dorney Duathlon - Feb

Take on a Super Sprint, Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!

  • Super sprint duathlon
  • Sprint duathlon
  • Standard duathlon
Do you have what it takes to take on the Shrewsbury run-bike-run duathlon? Race in a friendly atmosphere!
  • Sun 16 Feb
  • £20-£30
Shrewsbury, Shropshire, UK

Shrewsbury Junior And Super Sprint Duathlon | February

Do you have what it takes to take on the Shrewsbury run-bike-run duathlon? Race in a friendly atmosphere!

  • Kids duathlon 4
  • Super sprint duathlon
Take on a Super Sprint, Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!!
  • Sun 9 Mar
  • £47-£88
Windsor, Buckinghamshire, UK

Dorney Duathlon - March

Take on a Super Sprint, Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!!

  • Super sprint duathlon
  • Sprint duathlon
  • Standard duathlon
The flat terrain of the Torbay Velodrome offers a range of Duathlon distances, catering to all ages and abilities in a safe, supported and inclusive manner, with a medal and donut at the finish line!
  • Sun 16 Mar
  • £17-£44
Paignton, Devon, UK

Donut Duathlon Spring

The flat terrain of the Torbay Velodrome offers a range of Duathlon distances, catering to all ages and abilities in a safe, supported and inclusive manner, with a medal and donut at the finish line!

  • Sprint duathlon
  • Super sprint triathlon
  • Kids duathlon 4
Take on a Super Sprint, Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!!
  • Sat 5 Apr
  • £47-£88
Windsor, Buckinghamshire, UK

Dorney Duathlon - April

Take on a Super Sprint, Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!!

  • Super sprint duathlon
  • Sprint duathlon
  • Standard duathlon
A fun and accesible event, suitable for all levels of athlete to enjoy their Sunday morning. Perfect if you are looking to step into a new sport.
  • Sun 6 Apr
  • £30-£40
Altrincham, Greater Manchester, UK

Dunham Massey Duathlon | April

A fun and accesible event, suitable for all levels of athlete to enjoy their Sunday morning. Perfect if you are looking to step into a new sport.

  • Super sprint duathlon
  • Sprint duathlon
Incorporating the Sprint Duathlon European Qualifier, this traffic-free race circuit is the perfect venue for athletes of all standards to tackle a Run-Bike-Run.
  • Sat 19 Apr
  • £47-£58
Kirkby Mallory, Leicestershire, UK

ATW Mallory Park Duathlon

Incorporating the Sprint Duathlon European Qualifier, this traffic-free race circuit is the perfect venue for athletes of all standards to tackle a Run-Bike-Run.

  • Super sprint duathlon
  • Sprint duathlon
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.
  • Sun 4 May
  • £53-£94
Saint Neots, Cambridgeshire, UK

ATW St Neots Triathlon | Race 1

Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Standard aquabike
Make use of the superb facilities at the University of Central Lancashire. You will be running and cycling on their amazing Crit track and brand-new athletics track - all traffic-free.
  • Sun 11 May
  • £20-£40
Preston, Lancashire, UK

Central Lancashire Junior and Super Sprint Duathlon - Spring

Make use of the superb facilities at the University of Central Lancashire. You will be running and cycling on their amazing Crit track and brand-new athletics track - all traffic-free.

  • Sprint duathlon
  • Super sprint duathlon
  • Kids duathlon 4
A weekend of duathlon for juniors and adults, based around the traffic-free Darley Moor race track - an ideal venue to try out a dual-disciplined sport.
  • Sat 24 - Mon 26 May
  • £10-£45
Ashbourne, Derbyshire, UK

Darley Moor May Weekend

A weekend of duathlon for juniors and adults, based around the traffic-free Darley Moor race track - an ideal venue to try out a dual-disciplined sport.

  • Kids duathlon 5
  • Sprint duathlon
Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village is on Roald Dahl Plass in front of the Wales Millenium Centre.
  • Sat 21 - Sun 22 Jun
  • £37.99-£249.99
Cardiff, UK

Cardiff Triathlon & Duathlon and Cardiff Bay Swim

Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village is on Roald Dahl Plass in front of the Wales Millenium Centre.

  • Lake swim 3
  • Olympic triathlon 2
  • Half Ironman
  • Super sprint triathlon
  • Sprint triathlon
  • + 1 more race
Set amid rural Woodford with its picturesque scenery, this event has something to suit all abilities. There will be a great atmosphere throughout the morning!
  • Sun 29 Jun
  • £30-£40
Stockport, Greater Manchester, UK

Woodford Community Duathlon | June

Set amid rural Woodford with its picturesque scenery, this event has something to suit all abilities. There will be a great atmosphere throughout the morning!

  • Super sprint duathlon
  • Sprint duathlon
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.
  • Sun 6 Jul
  • £53-£94
Saint Neots, Cambridgeshire, UK

ATW St Neots Triathlon | Race 2

Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.

  • Sprint triathlon
  • Olympic triathlon
  • Standard aquabike
  • Super sprint triathlon
  • Sprint aquabike
Make use of the superb facilities at the University of Central Lancashire. You will be running and cycling on their amazing Crit track and brand-new athletics track - all traffic-free.
  • Sun 20 Jul
  • £20-£40
Preston, Lancashire, UK

Central Lancashire Junior and Super Sprint Duathlon - Summer

Make use of the superb facilities at the University of Central Lancashire. You will be running and cycling on their amazing Crit track and brand-new athletics track - all traffic-free.

  • Kids duathlon 4
  • Super sprint duathlon
  • Sprint duathlon
Awarded the Event of the Year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon and duathlon in the UK. Plus swims and trail running events.
  • Sat 2 - Sun 3 Aug
  • £31.99-£249.99
Betws-y-Coed, Clwyd, UK

Craft Snowman Triathlon & Duathlon, Snowman Swim & Ogwen Yr Helgi Du Trail Runs

Awarded the Event of the Year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon and duathlon in the UK. Plus swims and trail running events.

  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sprint duathlon
  • 10K run
  • + 5 more races
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.
  • Sun 10 Aug
  • £53-£94
Saint Neots, Cambridgeshire, UK

ATW St Neots Triathlon | Race 3

Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Standard aquabike
Based in the grounds of the 2,000 acre Holdenby Estate, the traffic-free run lap follows a scenic trail and the rolling bike course enjoys fast-riding country roads.
  • Sun 12 Oct
  • £53-£78
Northampton, Northamptonshire, UK

ATW Holdenby House Duathlon

Based in the grounds of the 2,000 acre Holdenby Estate, the traffic-free run lap follows a scenic trail and the rolling bike course enjoys fast-riding country roads.

  • Sprint duathlon
  • Standard duathlon
Join ATW, the largest multisport organiser in the UK, at the iconic Grafham Water - a venue that has been used for award-winning events, national championships and GB qualifier races.
  • Sun 26 Oct
  • £53-£78
Huntingdon, Cambridgeshire, UK

ATW Grafham Duathlon

Join ATW, the largest multisport organiser in the UK, at the iconic Grafham Water - a venue that has been used for award-winning events, national championships and GB qualifier races.

  • Sprint duathlon
  • Standard duathlon
Roadford Lake is a great venue for a duathlon with very quiet roads, traffic-free trails, lots of space for transition and parking. The Standard Race is a qualifier for the 2026 World champs.
  • Sun 2 Nov
  • £42-£52
Lifton, Devon, UK

Devon Duathlon Autumn

Roadford Lake is a great venue for a duathlon with very quiet roads, traffic-free trails, lots of space for transition and parking. The Standard Race is a qualifier for the 2026 World champs.

  • Sprint duathlon
  • Standard duathlon
Take on a Super Sprint, Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!!
  • Sun 9 Nov
  • £47-£88
Windsor, Buckinghamshire, UK

Dorney Duathlon - November

Take on a Super Sprint, Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!!

  • Super sprint duathlon
  • Sprint duathlon
  • Standard duathlon