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![](https://www.coram.org.uk/wp-content/uploads/2023/03/serpentine-swim-london-classics_0-781x382-1-aspect-ratio-420-380.jpg)
Swim Serpentine
Take a dive for Coram at the iconic Swim Serpentine. Registration is now open and this event is expected to sell out quickly. Sign up now to avoid missing out!
![](https://www.coram.org.uk/wp-content/uploads/2024/06/CoramLLHM24-MT2MB-03737-1-scaled-aspect-ratio-420-380.jpg)
London Landmarks Half Marathon
Apply to run the only half marathon to go through the city of London and Westminster. This event is not to be missed, sign up to join Coram's largest half marathon team!
![](https://www.coram.org.uk/wp-content/uploads/2024/04/CoramLM24-MT-2MB-05827-scaled-aspect-ratio-420-380.jpg)
London Marathon
Apply to run this iconic event today! Could 2025 be the year you tick the London Marathon off your bucket list?
![](https://www.coram.org.uk/wp-content/uploads/2024/04/cbd3b7e7-5d4d-4796-b986-41951222fd3a-e1712673645245-aspect-ratio-420-380.jpg)
Tough Mudder
Tough Mudder is the UK’s leading obstacle event, with gruelling obstacle courses designed by Special Forces. Is this the challenge for you?
![](https://www.coram.org.uk/wp-content/uploads/2023/03/eai_srlw_080522_rb_1625-scaled-aspect-ratio-420-380.jpg)
Spartan Races
The Spartan Race is the world’s largest obstacle race designed to push your limits, test your strength and challenge your endurance!
![](https://www.coram.org.uk/wp-content/uploads/2023/10/3Peaks-Summit-photo-1-aspect-ratio-420-380.jpeg)
Three Peaks Challenge
Join us as we climb the highest mountains in the UK – Ben Nevis, Scafell Pike and Snowdon- to create better chances for children.