Duathlon events calendar

Duathlon events calendar

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

211 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
  • 19 Oct 2022
First steps

The beginner's guide to duathlons

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

Duathlons in 2024

Featured events are listed below - select your region to see all events.

A weekend of duathlon and road races for juniors and adults, based around the traffic-free Darley Moor race track - an ideal venue to try out a dual-disciplined sport or run a speedy race.
  • Sat 25 - Mon 27 May
  • £10-£37.30
Ashbourne, Derbyshire, UK

Darley Moor May Weekend

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

  • Kids duathlon 5
  • Sprint duathlon
  • 5K run 2
Race through the beautiful grounds and surrounding area of stunning South Galway on an event of your choice from starter to elite then celebrate with friends and family in the festival village.
  • Sat 25 - Sun 26 May
  • £26-£295
Gort, Ireland

Lough Cutra Castle Triathlon and Multisport Festival

Race through the beautiful grounds and surrounding area of stunning South Galway on an event of your choice from starter to elite then celebrate with friends and family in the festival village.

  • Sprint triathlon 3
  • Super sprint triathlon
  • Novice triathlon
  • Sprint duathlon
  • Sprint aquabike
  • + 17 more races
Taking place across the scenic Thames Valley area. Swim the river, cycle the hilly open roads, or run the flat Thames path – with a selection of activities over grass, tarmac, and trail.
  • Sun 26 May
  • £20-£75
Marlow, Buckinghamshire, UK

The One on the River | Marlow | May

Taking place across the scenic Thames Valley area. Swim the river, cycle the hilly open roads, or run the flat Thames path – with a selection of activities over grass, tarmac, and trail.

  • Olympic triathlon
  • Super sprint duathlon
  • Sprint duathlon
  • Standard duathlon
  • Super sprint aquabike
  • + 10 more races
Race through the Grand Canal and the historic forest and town of Chantilly on an event of your choice from starter to elite then celebrate with friends and family in the festival village.
  • Sat 8 - Sun 9 Jun
  • £28-£295
Chantilly, France

Chateau de Chantilly Triathlon and Multisport Festival

Race through the Grand Canal and the historic forest and town of Chantilly on an event of your choice from starter to elite then celebrate with friends and family in the festival village.

  • Half Ironman
  • Olympic triathlon
  • Sprint triathlon 2
  • Super sprint triathlon
  • Novice triathlon
  • + 10 more races
Set at the spectacular, flat, and smooth-surfaced Dorney Lake near Windsor, this multi-sport event is for the ones that enjoy being by the water and offers a selection of activities for all levels.
  • Sun 16 Jun
  • £23-£75
Windsor, Buckinghamshire, UK

The One for the Planet powered by Climategames

Set at the spectacular, flat, and smooth-surfaced Dorney Lake near Windsor, this multi-sport event is for the ones that enjoy being by the water and offers a selection of activities for all levels.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Super sprint duathlon
  • Sprint duathlon
  • + 13 more races
Race through the beautiful grounds of the Cholmondeley Castle estate on an event of your choice from starter to elite then celebrate with friends and family in the festival village.
  • Sat 22 - Sun 23 Jun
  • £28-£295
Malpas, Cheshire, UK

Cholmondeley Castle Triathlon and Multisport Festival

Race through the beautiful grounds of the Cholmondeley Castle estate on an event of your choice from starter to elite then celebrate with friends and family in the festival village.

  • Relay triathlon 2
  • Kids triathlon 4
  • Novice triathlon
  • Super sprint triathlon
  • Sprint triathlon 2
  • + 15 more races
Taking place across the scenic Thames Valley area. Swim the river, cycle the hilly open roads, or run the flat Thames path – with a selection of activities over grass, tarmac, and trail.
  • Sun 14 Jul
  • £25-£110
Marlow, Buckinghamshire, UK

The One on the River | Marlow | Jul

Taking place across the scenic Thames Valley area. Swim the river, cycle the hilly open roads, or run the flat Thames path – with a selection of activities over grass, tarmac, and trail.

  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sprint duathlon
  • Standard duathlon
  • + 10 more races
Race through the beautiful grounds and surrounding area of stunning Leicestershire on an event of your choice from starter to elite then celebrate with friends and family in the festival village.
  • Sat 27 - Sun 28 Jul
  • £28-£295
Grantham, Leicestershire, UK

Belvoir Castle Triathlon and Multisport Festival

Race through the beautiful grounds and surrounding area of stunning Leicestershire on an event of your choice from starter to elite then celebrate with friends and family in the festival village.

  • Kids triathlon 4
  • Novice triathlon
  • Super sprint triathlon
  • Sprint triathlon 2
  • Olympic triathlon
  • + 14 more races
A weekend of duathlon and road races for juniors and adults, based around the traffic-free Darley Moor race track - an ideal venue to try out a dual-disciplined sport.
  • Sat 14 - Sun 15 Sep
  • £11.20-£37.30
Ashbourne, Derbyshire, UK

Darley Moor September Weekend

A weekend of duathlon and road races 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
Race through the beautiful grounds and surrounding area of Hever Castle on an event of your choice from starter to elite then celebrate with friends and family in the festival village.
  • Sat 28 - Sun 29 Sep
  • £28-£295
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival

Race through the beautiful grounds and surrounding area of Hever Castle on an event of your choice from starter to elite then celebrate with friends and family in the festival village.

  • Half Ironman
  • Olympic triathlon
  • Sprint triathlon 2
  • Super sprint triathlon
  • Novice triathlon
  • + 16 more races
Britain's Most Beautiful Marathon returns complete with trail runs, a gravel duathlon and junior fun runs, all enjoying the stunning backdrop of Kielder Water and warm northern spirit.
  • Sat 5 - Sun 6 Oct
  • £8-£78
Hexham, Northumberland, UK

Kielder Marathon Weekend

Britain's Most Beautiful Marathon returns complete with trail runs, a gravel duathlon and junior fun runs, all enjoying the stunning backdrop of Kielder Water and warm northern spirit.

  • Fun run 2
  • Standard duathlon
  • 10K run
  • Marathon
  • Half marathon
Sprint and Standard distance duathlons at Woodbury Common offering mixed terrain running and enjoyable cycling on rolling roads. Chip timed and BTF affiliated.
  • Sun 3 Nov
  • £36-£55.12
Lifton, Devon, UK

Devon Duathlon Autumn

Sprint and Standard distance duathlons at Woodbury Common offering mixed terrain running and enjoyable cycling on rolling roads. Chip timed and BTF affiliated.

  • Sprint duathlon
  • Standard duathlon
  • Sat 6 Apr
  • £34-£36
Par, Cornwall, UK

Par Duathlon - The Hare

A smooth, 5k mostly closed road circuit with a spectator friendly feel – Par Duathlon (run - bike - run) is a treat whether you are a hare or a tortoise.

  • Super sprint duathlon
  • Sprint duathlon
  • Sat 6 Apr
  • £20
Par, Cornwall, UK

Par Mini Duathlon - The Hare

Kick off the Cornish Mini Tri Series 2024 in style.

  • Kids duathlon 5
  • Sun 7 Apr
  • £36-£40
Wetherby, West Yorkshire, UK

Yorkshire Duathlons - Bramham Park

Bramham Park near Wetherby, just off the A1, is the perfect venue for Multisport with miles of trail paths and access to the quieter country lanes around Bramham Town.

  • Sprint duathlon
  • Standard duathlon
  • Sun 7 Apr
  • £50-£60
Morpeth, Northumberland, UK

Northumberland Duathlon

Located within the stunning Druridge Bay Country Park which is situated on the beautiful Northumbrian coastline.

  • Sprint duathlon
  • Standard duathlon
  • Sun 14 Apr
  • £45-£85
Windsor, Buckinghamshire, UK

Dorney Lake Duathlon

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

  • Super sprint duathlon
  • Sprint duathlon
  • Standard duathlon
  • Sun 14 Apr
  • £36-£40
Bamburgh, Northumberland, UK

Bamburgh Castle Duathlons

Wild Deer Events are delighted to announce that we will be returning to the iconic Bamburgh Castle just after Easter in 2024.

  • Sprint duathlon
  • Standard duathlon
  • Sun 14 Apr
  • £22-£33
Gravesend, Kent, UK

Cyclopark Easter Duathlon

This race is ideal for anyone new to Duathlon.

  • Super sprint duathlon
  • Sprint duathlon
  • Standard duathlon
  • Sun 14 Apr
  • £56.99-£60.99
Harlech, Gwynedd, UK

Harlech Duathlon

Under the castle's watchful eye, the Harlech Sprint Duathlon is one of the best-loved races on the calendar.

  • 5 km road running
  • 21.5 km road cycling
  • 2.2 km road running
  • Sun 14 Apr
  • £15-£25
Brandon, Suffolk, UK

Fern & Forest Enduro Duathlon

Get involved in this Fern & Forest Enduro Duathlon taking place at the stunning High Lodge in the heart of Thetford Forest.

  • 3 km trail running
  • 7 km mountain biking
  • 3 km trail running
  • Sun 21 Apr
  • £35-£40
Perth, Perth and Kinross, UK

Scone Palace Duathlons

Wild Deer Events return to Scone Palace in 2024 bigger and better with a Standard distance alongside the Sprint.

  • Sprint duathlon
  • Standard duathlon
  • Sun 21 Apr
  • £43-£69
Kirkby Mallory, Leicestershire, UK

ATW Mallory Park Duathlon (Including World Champs Sprint Qualifier)

Featuring the 2025 World Championship Sprint Distance Duathlon Qualifier

  • Super sprint duathlon
  • Sprint duathlon
  • Standard duathlon
  • Sun 21 Apr
  • £20
Bristol, Gloucestershire, UK

Sri Chinmoy Tri Club's SBR-Mini Duathlon

Ideal for triathletes who want multisport practice, or anyone who wants the challenge of combining two sports.

  • Super sprint duathlon 2
  • Sat 27 Apr
  • £35-£70
Fordingbridge, Hampshire, UK

New Forest Adventure Race

Questars Adventure Races return to the New Forest for the second event of our 2024 series.

  • Sprint adventure race 2
  • MTB orienteer
  • Score orienteer
  • Middle duathlon
  • Sun 28 Apr
  • £22-£25
Gravesend, Kent, UK

Medway Tri Junior Duathlon

MedwayTri will be hosting the Triathlon England South East Junior Series Duathlon, the Junior Inter Regional Duathlon for London.

  • Kids duathlon 6
  • Sun 28 Apr
  • £32-£46
Frodsham, Cheshire, UK

Delamere Forest Off-Road Duathlons

Wild Deer Events are excited to bring you our inaugural Delamere Forest Duathlons which will take place in 2024.

  • Sprint duathlon
  • Standard duathlon
  • Sun 28 Apr
  • £48-£73
Whipsnade, Bedfordshire, UK

ATW Bison Duathlon

The Formidable Bison Duathlon is back!!!

  • Super sprint duathlon
  • Sprint duathlon
  • Sun 28 Apr
  • £28
Ballater, Aberdeenshire, UK

Apollo Duathlon

Aberdeen based engineering and project services provider Apollo are our sponsor for the duathlon featuring a 16K mountain biking stage with a 6k run to start and a 5k run to finish.

  • 6 km trail running
  • 16 km mountain biking
  • 5 km trail running
  • Sun 28 Apr
  • £15
Brandon, Suffolk, UK

Can But Tri Adult Duathlon Series - Event 8

Get involved in this off-road duathlon series held at the stunning location of High Lodge in the heart of Thetford Forest.

  • 2.25 km trail running
  • 7.25 km mountain biking
  • 2.25 km trail running