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A view of the Edinburgh skyline, dominated by the historic Edinburgh Castle.

Edinburgh Marathon 2026

Held annually since 1982, the race begins in the city centre, before moving out of Edinburgh into East Lothian and finishes at Musselburgh in East Lothian. Are you ready to run for Retina UK?

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?

A skyline view of Birmingham, England, featuring several notable landmarks.

Great Birmingham Run Half Marathon 2026

With a carnival atmosphere and the passion and spirit of the runners. this is a race like no other. Expect inspiring sights, iconic landmarks and incredible support all along the route. Join #TeamRetinaUK and experience it yourself!

The Clifton Suspension Bridge spanning the Avon Gorge and River Avon in Bristol, England.

Great Bristol Run 10K 2026

If stunning views, inspiring history and graffiti murals are your thing, then this is the race for you in 2026. With a flat course and thousands of runners taking to the streets, it's a fantastic event to be a part of.

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.

Tough Mudder

Tough Mudder 2026

With various events to choose from in 2026, these hugely popular events are back for another year! Round up your friends, family members and colleagues and join #TeamRetinaUK for a fun day out!

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!

Albert Square in Manchester, UK, during the Manchester Christmas Markets

Great Manchester Run 10K 2026

Join #TeamRetinaUK in the centre of Manchester for a hugely popular race, back for another year in 2026. With a flat course and thousands of runners taking to the streets, it's set to be another fantastic event.

The Tyne Bridge in Newcastle upon Tyne

Great North Run 2027

The Great North Run is the largest half marathon in the world, taking place annually in Newcastle and you could be there with #TeamRetinaUK!