Garden of Wales Duathlon

Name: Garden of Wales Duathlon
Start: 2026-05-16T23:00:00.000Z
End: 2026-05-16T23:00:00.000Z
Location: National Botanic Garden of Wales, Middleton Hall, Llanarthne SA32 8HN, UK

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Garden of Wales Duathlon

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Booked 1 time in the last week

£30 - £70

Booked 1 time in the last week

About

Distance:

5km Run → 30km Bike → 5 km Run

We are proud to announce the Garden of Wales Duathlon, the finale of our Spring Duathlon Series, hosted within the spectacular grounds of the National Botanic Garden of Wales.

Set in the heart of the Carmarthenshire countryside, this unique duathlon combines off road trail running through landscaped grounds and natural terrain, with road cycling on quiet, scenic rural roads surrounding the estate. The venue offers a rare blend of sporting challenge and natural beauty, making it a fitting stage for the closing event of the series.

The National Botanic Garden of Wales is one of the country’s most iconic outdoor spaces, renowned for its sweeping parkland, wooded valleys, and world class horticultural collections. Athletes will race through an environment where nature, design,

and endurance sport meet, delivering a course that is both inspiring and demanding.

We invite athletes of all ages and abilities to join us in May 2026 for a memorable race that celebrates community, challenge, and the landscapes of Wales. We anticipate 150–200 competitors, representing a wide range of experience levels.

Race HQ, transition, and athlete facilities will be centrally located within the National Botanic Garden grounds, providing a safe, accessible, and spectator-friendly hub for the

event.

Duathlon

View details

Sun, May 17, 2026

View logistics

Llanarthne, United Kingdom

View location

Where and when

Location

National Botanic Garden of Wales, Middleton Hall, Llanarthne SA32 8HN, UK

Start times

Sunday, May 17, 2026

Duathlon: 8:00 AM

Event summary

Here are the distances available for Garden of Wales Duathlon

Duathlon

5km

30km

5km

£30 - £70

Route information

Run Route

https://www.strava.com/routes/3453654679063726702

Bike Route

https://www.strava.com/routes/3453657591496720148

Run

Elevation Gain: 90m

Surface: Mixed trail (tarmac paths, compacted gravel, woodland tracks)

A flowing and picturesque trail run set entirely within the grounds of the National Botanic Garden of Wales. Both run legs use the same scenic loop, allowing athletes to become familiar with the terrain while still being challenged by its variety.

Starting close to the transition area, runners head out onto wide, well maintained paths before entering a network of woodland trails that wind through the heart of the estate. The course gently undulates throughout, with short climbs and descents that test rhythm rather than raw power. Underfoot conditions are generally firm, with occasional gravel and natural trail sections adding interest and character.

Midway through the loop, the route drops into a sheltered wooded valley, where runners pass alongside streams and shaded paths, before climbing gradually back toward open

parkland. The latter stages of the course reward effort with sweeping views across the surrounding countryside, offering a real sense of place and immersion in the landscape.

Bike

Elevation Gain: 400m

Surface: 100% road

A scenic and testing road bike course that showcases the rolling countryside surrounding the National Botanic Garden of Wales. Leaving transition, riders quickly move onto quiet rural roads that form a large loop through the Carmarthenshire landscape, offering a rewarding blend of speed, endurance, and sustained climbing.

The opening section features a steady rise as athletes leave the estate, encouraging controlled pacing early on. This is followed by long, flowing stretches of road where riders can settle into rhythm, interspersed with short, sharper climbs that demand good gear choice and focus.

Around the midpoint, the route flattens slightly, allowing for faster riding before the course delivers its most notable climbing in the latter stages. These longer ascents are balanced by smooth descents, where confident bike handling and line choice are rewarded.

Organizer route images

What's included

Event T Shirt (All entries before 01st May 2026)
Chip Timing
Parking
Prizes
Marshalled course
Café

How to get there

National Botanic Garden of Wales, Middleton Hall, Llanarthne SA32 8HN, UK

Get full directions

Race HQ, the transition area will be located behind the main building/ Botanica Cafe.

Hotels and Accommodation

Gwydra Events has partnered with Let's Do This to bring you some of the best hotel rates close to the startline.

Find your room

Event day logistics

Parking

Event parking will be provided on-site at the National Botanic Garden of Wales, using designated event parking areas.

Full directions and What3Words locations will be issued in the race pack. Volunteer marshals will manage parking on race morning. Competitors are advised to arrive early to make the walk through the park to the transition area.

closes.

Transition

Bike racking will be positioned within the courtyard, clearly numbered and laid out to allow safe access and movement. The transition area will be fully enclosed with barriers and fencing to ensure athlete safety and equipment security. Clearly marked bike mount and dismount lines will be located immediately adjacent to the transition area. Entry and exit points for athletes will be clearly signposted and controlled by volunteer marshals throughout the event.

Minimum Ages

There are age requirements for the following races:

16 years old and above

Bag Drop

We will have a secure marquee where you can leave your bag. Your bag tag will be in your race pack, you simply tear it off and attach it to your bag. To collect, show your number to our volunteers and they will help you find your baggage.

Toilets

There will be toilets available near transition and near the front entrance.

Aid Stations

There will be a water station available on each lap of the 5k course. There will also be a bottle of water waiting for you at the finish line.

Event Photos

We will have an official photographer at the event, please check out our socials after the race.