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The start of the Cardiff Half Marathon

Oysho Cardiff Half Marathon 2026

The Cardiff Half Marathon has grown into one of the largest and most exciting road races in the United Kingdom. It is now one of Europe’s largest half marathons and is Wales’ largest mass participation event.

A panoramic view of the Deansgate area in Manchester, England. The red brick building in the foreground is home to The Knott pub

Great Manchester Run Half Marathon 2026

With live music and thousands of spectators, this hugely popular race sells out fast but you could be there as part of #TeamRetinaUK in 2025. In true Mancunian style, it’s a party from start to finish, with a high-energy soundtrack along the route!

Royal Parks Half Marathon 2026

The stunning 13.1-mile route takes in many of the capital’s world-famous landmarks on closed roads, and four of London’s eight Royal Parks – Hyde Park, The Green Park, St James’s Park and Kensington Gardens.

Image shows a runner stood smiling with her arms outstretched . She is wearing a blue Retina UK running vest and a London Marathon medal around her neck.

Saucony London 10K 2026

With live bands, DJs and cheering fans along the route, which takes you past Westminster Bridge, The London Eye, Regent Street, Piccadilly Circus and Big Ben, this flat and friendly event is perfect for beginners or seasoned pros.

The Tudor gatehouse entrance to Hampton Court Palace

Hampton Court Palace Half Marathon 2026

This is the only Half Marathon to be held at this historic royal home and Hampton Court Palace is one of only two surviving palaces that King Henry VIII owned. The race will start inside the Palace gates and finish in its beautiful gardens.

Little boy looking at camera and smiling while sitting on chair at the ophthalmologist

Our manifesto

Retina UK are committed to improving the lives of people affected by inherited retinal dystrophies (IRDs).

Edinburgh Castle, a world-famous icon and historic fortress that dominates the skyline of Scotland's capital city.

Edinburgh Half Marathon 2026

Fast & flat, the course is ideal if it’s your first half marathon or you are looking for a PB. The Edinburgh Half Marathon has sold out every year since 2012 and is one of the largest half marathons in the UK and you could be there in 2026!