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Walk, jog or run this wonderful route along the River Thames. There are 100km, 50km and 25km challenge options.

• Walks & Treks
• London

Run the Leicestershire Half Marathon and make every mile matter for people living with inherited sight loss. A great course, a great challenge, and a great way to support Retina UK in 2026.

• Running
• United Kingdom

Take to the streets of Sheffield as part of #TeamRetinaUK, during our special 50th anniversary year!

• Running
• Sheffield

Sheffield's biggest 10K is back! Take to the streets of Sheffield as part of #TeamRetinaUK!

• Running
• Sheffield

Join us and take to the streets of Retford, as part of #TeamRetinaUK, during our special 50th anniversary year!

• Running
• Sheffield

Mark your special day, whilst fundraising for people with inherited sight loss.

The iconic National Three Peaks Challenge involves climbing the three highest peaks of Scotland, England and Wales within 24 hours.

• Walks & Treks
• United Kingdom

The iconic National Three Peaks Challenge involves climbing the three highest peaks of Scotland, England and Wales within 24 hours.

• Walks & Treks
• United Kingdom

Barcelona’s half marathon, also known as the Mitja Marato de Barcelona, is the second largest running event in Barcelona after the marathon.

• Running
• Barcelona

The UK's original closed-roads sportive, with just 5,000 places on offer each year, is back for 2025 and this exciting event attracts riders from all over the UK to take on one of the most breath-taking rides through the spectacular Scottish Highlands.

• Cycling
• Scotland