Duathlon events calendar

Duathlon events calendar

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

📷 Darley Moor Duathlon
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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 2024/2025

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

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 choice of multi-sports events including triathlon, relay triathlon, aquabike, aquathlon and duathlon in magnificent grounds including manicured sports fields, lakes, wildlife and greenery.
  • Sun 4 Aug
  • £22-£115
Northwood, Hertfordshire, UK

ATW Hertfordshire & Middlesex Triathlon

A choice of multi-sports events including triathlon, relay triathlon, aquabike, aquathlon and duathlon in magnificent grounds including manicured sports fields, lakes, wildlife and greenery.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Standard aquabike
  • Sprint aquathlon 2
  • + 3 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.

  • Standard duathlon
  • 10K run
  • Marathon
  • Half marathon
  • Fun run 2
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
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 2025
  • £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
  • Thu 1 Aug
  • £20-£25
Hayes, UK

Duathlon - Hillingdon Triathletes

The Hillingdon Duathlon series is a great way to unwind after work or on a Sunday morning!

  • Super sprint duathlon
  • Sprint duathlon
  • Sat 3 - Sun 4 Aug
  • £69.99-£249.99
Betws-y-Coed, Clwyd, UK

Craft Snowman Triathlon and 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 in the UK.

  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sprint duathlon
  • Standard duathlon
  • Tue 6 Aug
  • £16
Gravesend, Kent, UK

Midweek Duathlon - Race 4

Bridge Events will be running the Go Tri events again this at the same time as the longer race.

  • Super sprint duathlon
  • Sprint duathlon
  • Wed 14 Aug
  • £20-£35
Cromhall, Gloucestershire, UK

South West Maritime Triathlon Series - Race 4

Liven up your mid-week routine with a sprint triathlon or duathlon at Cromhall Quarry, where you can expect stunning scenery, a refreshing lake swim and a ride through rolling countryside.

  • Sprint triathlon
  • Sprint duathlon
  • Sun 18 Aug
  • £20-£40
Wilmslow, Cheshire, UK

Manchester Airport Duathlon

Have you got what it takes to take on the Super Sprint or Sprint Duathlon at Manchester Airport?

  • Super sprint duathlon
  • Sprint duathlon
  • Sun 18 Aug
  • £25-£30
Inverurie, Aberdeenshire, UK

The 3 Peaks Duathlon

Back for 2024!! Three Peaks Triathletes and Sunlit Shadow Events are teaming up to bring you an all-inclusive Sunday Duathlon, suitable for beginners and pros alike.

  • 5 km road running
  • 20.5 km road cycling
  • 2.5 km road running
  • Mon 19 Aug
  • £5
Stradbroke, Suffolk, UK

Multi-Sport Monday!

A monthly fun / non-competitive multi-sport opportunity.

  • Kids duathlon 3
  • Super sprint duathlon
  • Wed 21 Aug
  • £34-£38
Swindon, Wiltshire, UK

Cotswolds Lake 62 Evening Triathlon Series - Race 4

Welcome to the Cotswolds Lake 62 Evening Triathlon Series based at a private venue in the Cotswolds.

  • Super sprint triathlon
  • Super sprint duathlon
  • Super sprint aquabike
  • Sprint aquathlon
  • Sun 25 Aug
  • £10-£22
Bodmin, Cornwall, UK

Bodmin Mini Tri - The Dragon

Whether you are a novice or dab hand, challenge yourself to get intoTRI with the fun and family friendly Bodmin Mini Tri (8-16y).

  • Kids duathlon
  • Kids triathlon 5
  • Sun 1 Sep
  • £30.50-£72
Lochgelly, Fife, UK

Lochore Off Road Triathlon Festival

Welcome to the fifth Lochore Off Road Triathlon, Aquabike, Duathlon and Bikeless Lochore Aquathlon.

  • Sprint aquathlon
  • Sprint aquabike
  • Super sprint duathlon
  • Kids triathlon
  • Novice triathlon
  • + 2 more races
  • Sun 1 Sep
  • £56-£210
Ringwood, Hampshire, UK

New Forest Middle Distance Triathlon

A stunning Triathlon with a swim in the beautiful Ellingham Waterski Lake,

  • Sprint duathlon
  • Middle aquabike
  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sun 1 Sep
  • £30-£175
Morpeth, Northumberland, UK

Geordieman

Do you have what it takes to be a GEORDIEMAN?

  • Half Ironman
  • Ironman
  • Middle aquabike
  • Long aquabike
  • Middle duathlon
  • + 3 more races
  • Sun 1 Sep
  • FREE
Haddington, East Lothian, UK

East Lothian Sprint Triathlon & Duathlon

The East Lothian Sprint Triathlon & Sprint Duathlon is ON!

  • Sprint triathlon
  • Sprint duathlon
  • Tue 3 Sep
  • £16
Gravesend, Kent, UK

Midweek Duathlon - Race 5

Bridge Events will be running the Go Tri events again this at the same time as the longer race.

  • Super sprint duathlon
  • Sprint duathlon
  • Sat 7 Sep
  • £125-£295
Caernarfon, Gwynedd, UK

Seriously Brutal Duathlon

Take on the World’s hardest Duathlon…

  • Middle duathlon
  • Long duathlon
  • Sat 7 Sep
  • FREE-£80
Swindon, Wiltshire, UK

Cotswolds Lake 62 End of Season Events

Welcome to the Cotswolds Lake 62 End Of Season Events based at a private venue in the Cotswolds.

  • Olympic triathlon
  • Standard duathlon
  • Standard aquabike
  • Standard aquathlon
  • Fun run
  • Sat 7 Sep
  • FREE-£50
Hemel Hempstead, Hertfordshire, UK

Nettleden Duathlon

The race is organised by a group of friends from Aldbury and starts in the grounds of Nettleden Lodge, near Berkhamsted.

  • Sprint duathlon
  • Fun run
  • Sun 8 Sep
  • £29
Peebles, Scottish Borders, UK

Peebles Duathlon

Welcome to the Live Borders Triathlon Series 2024.

  • 4.69 km road running
  • 19.46 km road cycling
  • 4.69 km road running
  • Sun 8 Sep
  • £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
  • Sun 8 Sep
  • £41-£109
Richmond, UK

London Duathlon

The UK's largest duathlon

  • Sprint duathlon
  • Standard duathlon
  • Middle duathlon
  • Wed 11 Sep
  • £20-£35
Cromhall, Gloucestershire, UK

South West Maritime Triathlon Series - Race 5

Liven up your mid-week routine with a sprint triathlon or duathlon at Cromhall Quarry, where you can expect stunning scenery, a refreshing lake swim and a ride through rolling countryside.

  • Sprint triathlon
  • Sprint duathlon
  • Sat 14 - Sun 15 Sep
  • £69.99-£249.99
Llanfairpwllgwyngyll, Isle of Anglesey, UK

Superfeet Sandman Triathlon and Duathlon

The final part of the Adventure Championships and a fitting close to the most epic multi-terrain, adventure triathlon and duathlon series in the calendar.

  • Sprint triathlon 2
  • Olympic triathlon 2
  • Half Ironman
  • Sprint duathlon
  • Standard duathlon
  • Sat 14 Sep
  • £6-£20
Strathcarron, Highland, UK

Applecross Duathlon

The 19th Applecross Duathlon will be held in 2024.

  • 9 miles trail running
  • 15 miles road cycling
  • 9 miles trail running