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.
Find out more about common duathlon event distances below to help find your perfect event.
Getting started in run-bike-runs is easier than you might think!
Featured events are listed below - select your region to see all events.
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!
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Sprint and Standard distance duathlons at Woodbury Common offering mixed terrain running and enjoyable cycling on rolling roads. Chip timed and BTF affiliated.
Wild Deer Events extremely popular annual trip to the Lake District will be in 2024 for the Grasmere Duathlons.
The Mumbles Duathlon will take place in Mumbles, Swansea.
Run, bike, kayak and adventure through the South Downs! Questars Adventure Races are open to solos and teams. Kayaks provided, bike hire available and there are courses to challenge all abilities.
Fast, Fun and For Everyone...
As the first weekend race of the season Hillingdon Triathletes Spring Duathlon is a hugely popular event.
Get your season off to a flying start with ever-popular duathlon, a 5k run, 20k bike and 5k run.
The Ely 115 Squadron Duathlon is a great way for hibernating triathletes to rub their eyes, shake out the winter legs and kick off the race season in style!
Following the successful inaugural Lingwood Duathlon 2023 Tri-Anglia Triathlon Club is delighted to announce that entries for the 2nd Lingwood Duathlon in 2024 are now open.
Carlisle Duathlon takes part on quiet country roads and is a perfect warm up for the season ahead.
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.
Located within the stunning Druridge Bay Country Park which is situated on the beautiful Northumbrian coastline.
Take on a Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!!
Wild Deer Events are delighted to announce that we will be returning to the iconic Bamburgh Castle just after Easter in 2024.
This race is ideal for anyone new to Duathlon.
Under the castle's watchful eye, the Harlech Sprint Duathlon is one of the best-loved races on the calendar.
Get involved in this Fern & Forest Enduro Duathlon taking place at the stunning High Lodge in the heart of Thetford Forest.
Wild Deer Events return to Scone Palace in 2024 bigger and better with a Standard distance alongside the Sprint.
Select your location for duathlons in your area.