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 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!!
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.
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.
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.
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.
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.
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!
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.
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.
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.
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.
Have you got what it takes to take on the Super Sprint or Sprint Duathlon at Manchester Airport?
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.
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.
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.
Take on a Super Sprint, Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!!
Select your location for duathlons in your area.