Duathlon events calendar

Duathlon events calendar

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

📷 Donut Duathlon Spring
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.

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 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 a month/region or the map view to see all events.

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
  • £42-£52
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
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 4 May 2025
  • £53-£94
Saint Neots, Cambridgeshire, UK

ATW St Neots Triathlon | Race 1

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
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 2025
  • £53-£94
Saint 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
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 2025
  • £53-£94
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
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 4 - Sun 5 Oct 2025
  • £8-£70
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