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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.

• Running
• Cardiff

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

With 18 events to choose from in 2025, these hugely popular events are back for another year! Whether you run, jog or walk, you can support Retina UK's vital work whilst achieving an amazing personal goal. Join #TeamRetinaUK today!

• Running
• United Kingdom

With 18 events to choose from in 2025, these hugely popular events are back for another year! Whether you run, jog or walk, you can support Retina UK's vital work whilst achieving an amazing personal goal. Join #TeamRetinaUK today!

• Walks & Treks
• United Kingdom

Join 27,500 people taking on this fast and flat course past breathtaking scenery and iconic landmarks.

• Running
• Cardiff

This scenic course takes you past the amazing sights of Cambridge and is ideal for those tackling their first 13.1 mile event and those looking for a PB. You’ll get plenty of support out on the course with multiple aid stations, pacers and big crowds.

• Running
• United Kingdom

Clock up 100 miles on your bike with this virtual challenge.

• Cycling
• Close to home

Take on a challenge with #TeamRetinaUK and run, jog or walk 10 miles in your neighbourhood whilst raising money for our cause.

• Running
• Close to home

Skydiving is an exhilarating experience, and you can do this while supporting our cause. Various dates and locations are available across the UK.

• Extreme Challenges
• Various