Duathlon events calendar

Duathlon events calendar

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

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.

Search by month

Search by place

Map view

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.

Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.
  • Sat 21 - Sun 22 Jun
  • £35-£295
Malpas, Cheshire, UK

Cholmondeley Castle Triathlon and Multisport Festival

Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.

  • Relay triathlon 2
  • Kids triathlon 5
  • Novice triathlon
  • Super sprint triathlon
  • Sprint triathlon 2
  • + 15 more races
  • Families
  • Newcomers
  • Entertainment
  • Music
  • Event village
  • Park
  • Rural
  • Age 9 & over
  • Events
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.
  • Sun 22 Jun
  • £83.99-£249.99
Cardiff, UK

Cardiff Triathlon & 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.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon 2
  • Half Ironman
  • Sprint duathlon
  • Recycling
  • Newcomers
  • Plastic bottle free
  • Music
  • Event village
  • Event expo
  • Urban
  • Coast
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Plastic-free event
  • Age 15 & over
  • Events
Entries close soon
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
  • Entries close soon
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
  • Newcomers
  • Event village
  • Rural
  • Age 15 & over
  • Duathlons
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
  • £58-£120
St. 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.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Standard aquabike
  • Sprint aquabike
  • Newcomers
  • Event village
  • Park
  • Age 15 & over
  • Events
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the discipline of your choice! Celebrate in the festival village afterwards.
  • Sat 19 - Sun 20 Jul
  • £35-£295
Grantham, Leicestershire, UK

Belvoir Castle Triathlon and Multisport Festival

A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the discipline of your choice! Celebrate in the festival village afterwards.

  • Kids triathlon 4
  • Super sprint triathlon
  • Sprint triathlon 2
  • Olympic triathlon
  • Half Ironman
  • + 14 more races
  • Families
  • Newcomers
  • Event village
  • Rural
  • Age 9 & over
  • Events
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
  • Families
  • Newcomers
  • Event village
  • Age 8 & over
  • Duathlons
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
  • Trees not tees
  • Recycling
  • Newcomers
  • Plastic bottle free
  • Music
  • Event village
  • Event expo
  • Rural
  • Mountains
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Plastic-free event
  • Age 15 & over
  • Events
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
  • £58-£120
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
  • Sprint aquabike
  • Newcomers
  • Event village
  • Park
  • Age 15 & over
  • Events
Have you got what it takes to take on the Super Sprint or Sprint Duathlon at Manchester Airport? Perfect for all abilities with a friendly atmosphere!
  • Sun 10 Aug
  • £30-£40
Wilmslow, Cheshire, UK

Manchester Airport Duathlon | August

Have you got what it takes to take on the Super Sprint or Sprint Duathlon at Manchester Airport? Perfect for all abilities with a friendly atmosphere!

  • Super sprint duathlon
  • Sprint duathlon
  • Newcomers
  • Event village
  • Age 15 & over
  • Duathlons
Dive into the excitement of dual-discipline sports and trail running at Darley Moor! These events are packed with fun for everyone, from seasoned pros to enthusiastic beginners.
  • Sat 13 - Sun 14 Sep
  • £10-£53
Ashbourne, Derbyshire, UK

Darley Moor September Duathlon and Trail 10km

Dive into the excitement of dual-discipline sports and trail running at Darley Moor! These events are packed with fun for everyone, from seasoned pros to enthusiastic beginners.

  • Kids duathlon 5
  • Sprint duathlon
  • 10K run
  • Families
  • Newcomers
  • Event village
  • Rural
  • Free venue entry
  • Age 8 & over
  • Events
Get active in the award-winning grounds and surrounding Kent countryside in the discipline of your choice! Recruit your friends and celebrate completing your challenge in the festival village.
  • Sat 27 - Sun 28 Sep
  • £35-£295
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival

Get active in the award-winning grounds and surrounding Kent countryside in the discipline of your choice! Recruit your friends and celebrate completing your challenge in the festival village.

  • Half Ironman
  • Olympic triathlon
  • Sprint triathlon 2
  • Super sprint triathlon
  • Novice triathlon
  • + 17 more races
  • Families
  • Newcomers
  • Event village
  • Park
  • Rural
  • Age 9 & over
  • Events
Take on a Super Sprint, Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!! This event is draft-illegal.
  • Sat 4 Oct
  • £47-£88
Windsor, Buckinghamshire, UK

Dorney Duathlon | October

Take on a Super Sprint, Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!! This event is draft-illegal.

  • Super sprint duathlon
  • Sprint duathlon
  • Standard duathlon
  • Newcomers
  • Event village
  • Age 15 & over
  • Duathlons
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
  • £58-£83
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
  • Newcomers
  • Event village
  • Park
  • Rural
  • Age 15 & over
  • Duathlons
Do you have what it takes to take on the Shrewsbury run-bike-run duathlon? This event is perfect for all abilities so you can race in a friendly atmosphere!
  • Sun 19 Oct
  • £20-£30
Shrewsbury, Shropshire, UK

Shrewsbury Junior And Super Sprint Duathlon | October

Do you have what it takes to take on the Shrewsbury run-bike-run duathlon? This event is perfect for all abilities so you can race in a friendly atmosphere!

  • Kids duathlon 4
  • Super sprint duathlon
  • Families
  • Newcomers
  • Event village
  • Age 8 & over
  • Duathlons
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
  • £58-£90
Huntingdon, Cambridgeshire, UK

ATW Grafham Duathlon - Incorporating the European Standard Duathlon Qualifier

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
  • Recycling
  • Newcomers
  • Event village
  • Rural
  • Sustainability policy
  • Age 17 & over
  • Duathlons
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-£54
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
  • Trees not tees
  • Recycling
  • Newcomers
  • Rural
  • Free venue entry
  • Sustainability policy
  • Plastic-free event
  • Age 15 & over
  • Duathlons
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
  • Newcomers
  • Event village
  • Sustainability policy
  • Age 15 & over
  • Duathlons
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 30 Nov
  • £30-£40
Altrincham, Greater Manchester, UK

Dunham Massey Duathlon | November

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
  • Newcomers
  • Event village
  • Age 15 & over
  • Duathlons
Set amid rural Woodford with its picturesque scenery, this event has something to suit all abilities. It doesn't matter if you’re just starting your multisport journey or looking to smash a PB this co
  • Sun 21 Dec
  • £30-£40
Stockport, Greater Manchester, UK

Woodford Community Duathlon | December

Set amid rural Woodford with its picturesque scenery, this event has something to suit all abilities. It doesn't matter if you’re just starting your multisport journey or looking to smash a PB this co

  • Super sprint duathlon
  • Sprint duathlon
  • Newcomers
  • Event village
  • Rural
  • Age 15 & over
  • Duathlons
Come join the Pendle Triathlon for this annual event! Set at West Craven Sports Centre in the beautiful Lancashire countryside.
  • Sun 7 Jun 2026
  • £2.50-£30
Barnoldswick, Lancashire, UK

Pendle Pool Triathlon powered by Fort Vale

Come join the Pendle Triathlon for this annual event! Set at West Craven Sports Centre in the beautiful Lancashire countryside.

  • Super sprint triathlon
  • Sprint triathlon
  • Super sprint duathlon
  • Sprint duathlon
  • Super sprint aquabike
  • + 3 more races
  • Newcomers
  • Event village
  • Age 15 & over
  • Events

Duathlons near you

Select your location for duathlons in your area.