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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.

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 Old and New Towns of Edinburgh, Scotland, as seen from Calton Hill

Edinburgh 10K 2026

The route starts and finishes just outside Edinburgh at Musselburgh Racecourse, with the course taking you along the magnificent Golf Coast before finishing in Scotland's oldest racecourse. Join #TeamRetinaUK today!

An aerial view of the city centre of Birmingham, England, at dusk.

Great Birmingham Run 10K 2026

This race is the Midlands’ biggest annual running event, with thousands of Brummie runners taking to the streets every year to challenge themselves and raise money for charity. Could you run as part of #TeamRetinaUK in 2026?

Glasgow City Chambers building, which overlooks George Square in the centre of Glasgow, Scotland

Great Scottish Run 10K 2026

With a city centre start and finish, this race is a celebration of everything that makes Glasgow truly great - urban architecture, green spaces, history, music, strength, spirit and, of course, welcoming people! Sign up today and run for Retina UK.