Margam Park Duathlon

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About

We are proud to announce the first event from Gwydra Events, which will take place at the historic Margam Country Park. Set within the majestic backdrop of the park’s rolling parkland and woodland, our inaugural duathlon will include testing trail run segments complemented by a rolling road bike course.

Three race distances will be available –

Super Sprint – 2.5km Run > 10km Bike > 2.5km Run
Sprint – 5km Run > 20km Bike > 2.5km Run
Standard – 10km Run > 40km Bike > 5km Run

We look forward to welcoming you at Margam Country Park.

Where and when

Location

Margam, Port Talbot SA13 2TL, UK

Start times

Sunday, 29 Mar 2026
Super Sprint: 9:00 am
Sprint: 9:00 am
Standard: 9:00 am

Run

From the start, athletes follow a broad tarmac path that heads west through the lower parkland, running parallel to the Ornamental Lake. This opening stretch provides a smooth, slightly undulating surface, ideal for settling into rhythm before the short ascent toward Margam Castle.
At Margam Castle, runners turn and head back towards East lodge car park. The return leg offers sweeping views of Margam Castle’s wooded slopes and the surrounding countryside, encouraging a strong, fast finish.

Bike

Distance / Elevation: 12.24 km / 103 m gain. A short, fast loop with a few gentle rises, ideal for newer athletes or those chasing speed. Notable sections include Harbour Way stretches and short urban connectors, rolling terrain with no sustained climbs. Athletes should keep momentum over the rollers and stay aero on the flatter Harbour Way sections. Expect light crosswinds in exposed spots.

Strava Cycle Route

On The Day

Race Day Information

What’s included

Event T Shirt
Chip Timing
Finishers Medal
Parking
Prizes

Event day logistics

Margam Country Park, with its history that spans from ancient Celtic occupation, through a medieval Cistercian abbey, to its 19th Century castle estate, offers a landscape rich in heritage and scenery. Race HQ, the transition area and athlete parking will be located at East Lodge Car Park, providing a central and convenient hub for competitors and spectators alike.

Minimum Ages

There are age requirements for the following races:
Standard Duathlon – 17 years old and above
Super Sprint & Sprint Duathlon – 15 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.