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An aerial view of the city of Cambridge, UK, featuring the prominent architecture of the University of Cambridge

Cambridge Half Marathon 2026

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.

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!

Colin and Linda

Fundraising

Raise money to help support people affected by inherited sight loss to lead better lives today and accelerate the search for treatments for the future.

A woman seen from behind facing a computer screen

The UK Inherited Retinal Dystrophy Consortium

In 2014 we funded an exciting new collaborative project. The UK Inherited Retinal Dystrophy Consortium (UKIRDC) Project brought together the four largest research groups in the UK specialising in inherited retinal diseases (IRDs).

A DNA spiral with a piece removed being held by tweezers

Genetics and gene therapy

When we talk about gene therapy we are usually referring to use of a harmless virus, called a vector, to deliver a normal copy of a defective gene into the cells of the eye.