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.
- 10 mins read
The beginner's guide to duathlons
Getting started in run-bike-runs is easier than you might think!
Duathlons in 2025/2026
Featured events are listed below - select a month/region or the map view to see all events.
- Sat 13 - Sun 14 Sep
- £10-£53
Darley Moor September Duathlon and Trail 10km
Dive into the excitement of dual-discipline sports and trail running at Darley Moor! These events are packed with fun for everyone, from seasoned pros to enthusiastic beginners.
- Kids duathlon 5
- Sprint duathlon
- 10K run
- Sat 27 - Sun 28 Sep
- £35-£295
Hever Castle Triathlon and Multisport Festival
Get active in the award-winning grounds and surrounding Kent countryside in the discipline of your choice! Recruit your friends and celebrate completing your challenge in the festival village.
- Half Ironman
- Olympic triathlon
- Sprint triathlon 2
- Super sprint triathlon
- Novice triathlon
- + 17 more races
- Sat 4 Oct
- £47-£88
Dorney Duathlon | October
Take on a Super Sprint, Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!! This event is draft-illegal.
- Super sprint duathlon
- Sprint duathlon
- Standard duathlon
- Sun 12 Oct
- £58-£83
ATW Holdenby House Duathlon
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.
- Sprint duathlon
- Standard duathlon
- Sun 19 Oct
- £20-£30
Shrewsbury Junior And Super Sprint Duathlon | October
Do you have what it takes to take on the Shrewsbury run-bike-run duathlon? This event is perfect for all abilities so you can race in a friendly atmosphere!
- Kids duathlon 4
- Super sprint duathlon
- Sun 26 Oct
- £58-£90
ATW Grafham Duathlon - Incorporating the European Standard Duathlon Qualifier
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.
- Sprint duathlon
- Standard duathlon
- Sun 2 Nov
- £42-£54
Devon Duathlon Autumn
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.
- Sprint duathlon
- Standard duathlon
- Sun 9 Nov
- £47-£88
Dorney Duathlon | November
Take on a Super Sprint, 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 30 Nov
- £30-£40
Dunham Massey Duathlon | November
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.
- Super sprint duathlon
- Sprint duathlon
- Sun 21 Dec
- £30-£40
Woodford Community Duathlon | December
Set amid rural Woodford with its picturesque scenery, this event has something to suit all abilities. It doesn't matter if you’re just starting your multisport journey or looking to smash a PB this co
- Super sprint duathlon
- Sprint duathlon
- Sun 18 Jan 2026
- £20-£30
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 3 May 2026
- £53-£115
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
- Sat 16 May 2026
- £20-£40
Central Lancashire Junior and Super Sprint Duathlon
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.
- Kids duathlon 4
- Super sprint duathlon
- Sprint duathlon
- Sat 23 - Sun 24 May 2026
- £28-£245
- 20% off
Lough Cutra Castle Triathlon and Multisport Festival
Get active in the beautiful grounds and surrounding area of stunning South Galway in the discipline of your choice! Recruit your friends and celebrate your challenge in the festival village.
20% off
- Sprint triathlon 3
- Super sprint triathlon
- Novice triathlon
- Olympic triathlon
- Half Ironman
- + 17 more races
- Sat 6 - Sun 7 Jun 2026
- £15-£350
- 20% off
Chateau de Chantilly Triathlon and Multisport Festival
The majestic château hosts this epic multi-sport weekend for athletes of all levels, complete with a range of disciplines, festival village, friendly spectators and top reviews all-round!
20% off
- Ironman
- Half Ironman
- Olympic triathlon
- Sprint triathlon 2
- Super sprint triathlon
- + 12 more races
- Sun 7 Jun 2026
- £2.50-£30
Pendle Pool Triathlon powered by Fort Vale
Come join the Pendle Triathlon for this annual event! Set at West Craven Sports Centre in the beautiful Lancashire countryside.
- Super sprint triathlon
- Sprint triathlon
- Super sprint duathlon
- Sprint duathlon
- Super sprint aquabike
- + 3 more races
- Sat 20 - Sun 21 Jun 2026
- £28-£245
- 20% off
Cholmondeley Castle Triathlon and Multisport Festival
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.
20% off
- Kids triathlon 5
- Novice triathlon
- Super sprint triathlon
- Sprint triathlon 2
- Olympic triathlon
- + 14 more races
- Sat 18 - Sun 19 Jul 2026
- £28-£245
- 20% off
Belvoir Castle Triathlon and Multisport Festival
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the discipline of your choice! Celebrate in the festival village afterwards.
20% off
- Kids triathlon 4
- Super sprint triathlon
- Sprint triathlon 2
- Olympic triathlon
- Half Ironman
- + 14 more races
- Sat 8 Aug 2026
- £63-£115
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.
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Sprint aquabike
- Sun 20 Sep 2026
- £53-£115
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
- Sprint aquabike
Duathlons near you
Select your location for duathlons in your area.