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The Big Half 2024 – London

The Big Half is back for 2024! The vibrant, inclusive half marathon with a fun, festival atmosphere sees thousands of runners take on the 13.1 mile course through London, from Tower Bridge to the iconic Cutty Sark in Greenwich.

Members of the Berkshire local peer support group sitting around a table

Local peer support groups

Our Retina UK Peer Support Group network offers information and support via regular meetings both online or in-person.

A runner is shown in a Retina UK runnning vest posing with a thumbs up

Run Locally

As well as many of the well known races, we also have places available in hundreds of local runs. Wherever you live, you can run as part of #TeamRetinaUK!

Hackney Half Marathon 2024

This fantastic course showcases the historic Broadway Market and vibrant street art of East London. With live bands and entertainment throughout the course, join #TeamRetinaUK for the 2024 event!

Image shows two runners running along a path. Both are wearing blue Retina UK running vests and pink 10K running numbers.

2024 TCS London Marathon

Join #TeamRetinaUK for the iconic 2024 TCS London Marathon! Soak up the incredible atmosphere as you run from Blackheath to The Mall finish line where you’ll get your very own marathon medal.

A male runner smiles as he holds his Marathon medal.

TCS London Marathon 2025

Join #TeamRetinaUK for the iconic 2025 TCS London Marathon! Soak up the incredible atmosphere as you run from Blackheath to The Mall finish line where you’ll get your very own marathon medal.

Image shows a runner stood smiling with her thumbs up. She is wearing a blue Retina UK running vest with the 'Retina UK' logo in white on the front. She is also wearing a 2022 London Marathon medal.

2023 TCS London Marathon

Join #TeamRetinaUK for the iconic 2023 TCS London Marathon! Soak up the incredible atmosphere as you run from Blackheath to The Mall finish line where you’ll get your very own marathon medal.