Duathlons in South West

Situated in the iconic Cardiff Bay, this unforgettable city race promises to delight both triathlon and duathlon athletes. With a completely closed road route, roaring event village and stunning views, this is not an event to miss. Come for some serious multi-sport clout and unforgettable memories.

Always Aim High Events

Olympic - Standard Entry 

Olympic - BTF Affiliated Entry 

Olympic - Team of 2 Entry 

Olympic - Team of 3 Entry 

Sprint - Standard Entry 

Sprint - BTF Affiliated Entry 

Sprint - Team of 2 Entry 

Sprint - Team of 3 Entry 

Super Sprint - Standard Entry 

Super Sprint - BTF Affiliated Entry 

World Triathlon Age Group Qualifier & British Championships - BTF Affiliated Entry 

Legend - Standard Entry 

Legend - BTF Affiliated Entry 

Legend - Team of 2 Entry 

Legend - Team of 3 Entry 

Sprint Duathlon - Standard Entry 

Sprint Duathlon - BTF Affiliated Entry 

Sprint Duathlon - Team of 2 Entry 

Cardiff Triathlon & Duathlon 2023

Try your hand at this duathlon at the iconic Goodwood site. You will run, cycle, and then run again around the flat course, soaking up the uplifting atmosphere and earning a bespoke finisher's medal.

RunThrough

Sprint BTF Member - BTF Affiliated Entry

Sprint Non-BTF Member - Standard Entry + BTF Permit

Standard BTF Member - BTF Affiliated Entry

Standard Non-BTF Member - Standard Entry + BTF Permit

RunThrough Goodwood Duathlon - July 2023

This duathlon takes place in the stunning scenery of The National Botanical Gardens of Wales and the surrounding roads. Competitors will take in the beautiful gardens and picturesque rolling hills in this event suitable for a wide range of abilities.

Tough Runner UK

Duathlon - Black Friday Deal - Standard Entry

Duathlon - Black Friday Deal - BTF Affiliated Entry

Wildflower Duathlon

Take part in this duathlon around the beautiful scenery of Mumbles in Swansea. This event welcomes newbies to the duathlon scene and has a choice of two distances, so whether you’re a beginner or seasoned duathlon athlete, this is a great event for you. 

Activity Wales Events

Sprint - Relay Entry 

Middle - Standard Entry 

Middle - Relay Entry 

Mumbles Duathlon

Immerse yourself in the beauty of Westonbirt Arboretum during this epic Duathlon. Both run legs will take place within the Arboretum and the stunning tree-lined landscape is a runner's paradise. Come along for your first step into multi-sport events and to earn your finisher's medal.

Westonbirt Duathlon

Whether your a first time duathlete or a seasoned pro, all will love this event. With a stunning route, well organised transitions, and a bespoke finisher's medal, there's plenty to get you excited at the Wales Duathlon. 

Wales Duathlon

Take on this scenic duathlon in the magical Forest of Dean. A perfect event for first-timers and seasoned pros alike, this 5k run, 40k bike and 5k run will have every level of athlete satisfied. Come to explore the Taurus Crafts private estate and to earn your first or fiftieth finisher's medal. 

Trimax Events

Sprint Duathlon - Standard Entry

Sprint Duathlon - BTF Affiliated Entry

Forest of Dean Duathlon

Get a mid-week triathlon or duathlon under your belt this May with the Cromhall Evening Tri Series. Take on a lake swim and a bike and run course through the scenic Gloucestershire countryside. You will also explore the stunning quarry as you cycle and run to the finish. 

Cromhall Evening Tri Series  - Sprint Triathlon  - Standard Entry

Cromhall Evening Tri Series  - Sprint Triathlon  - Relay Team of 2 Entry

Cromhall Evening Tri Series  - Sprint Triathlon  - Relay Team of 3 Entry

Duathlon  - Standard Entry

Cromhall Evening Tri Series - May

Break up the working week with this fantastic evening Tri event hosted at Cromhall Quarry. With a lake swim, road cycle and trail run there will be amazing scenery to embrace throughout.

Cromhall Evening Tri Series - Sprint Triathlon - Standard Entry

Cromhall Evening Tri Series - Sprint Triathlon - Relay Team of 2 Entry

Cromhall Evening Tri Series - Sprint Triathlon - Relay Team of 3 Entry

Duathlon - Standard Entry

Cromhall Evening Tri Series - June

Come to tackle this fantastic triathlon event as you explore all that the Cromhall Quarry has to offer. With an open lake swim, a run and a road cycle, you couldn't want more. Come to give a triathlon a go and embrace the picturesque scenery. 

Cromhall Evening Tri Series - July

Enjoy an evening triathlon at Cromhall quarry, with a lake swim, scenic cycle and run routes. This event is perfect for all looking to break up the working week. Come along for a great evening of friendly competition and great summer cheer. 

Cromhall Evening Tri Series - Sprint Triathlon  - Standard Entry

Cromhall Evening Tri Series - Sprint Triathlon  - Relay Team of 2 Entry

Cromhall Evening Tri Series - Sprint Triathlon  - Relay Team of 3 Entry

Cromhall Evening Tri Series - August

Close out the summer season with a midweek triathlon or duathlon at the Cromhall Quarry. With fantastic scenery and panoramic vistas, this triathlon will definitely get your heart pounding and your legs pumping. Embrace the lake swim, trail run, and road cycle as you zoom towards the finish line.

Cromhall Evening Tri Series - September

Make West Bay the next location for your next adventure. With stunning cliffs and sea breeze, this unique course will be an event to remember. At the gateway to the Jurassic Coast, West Bay give the opportunity for all abilities to achieve their PB. 

Beyond Events

West Bay Triathlon

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