London Marathon

In the world of running, it doesn’t get more iconic than the London Marathon. Especially when you’re in it. Run for us and help end sewage and plastic pollution!

What’s going on?

Whether you already have your own place or you’d like to apply for a charity place, join Team Surfers Against Sewage in the TCS London Marathon 2026 and play your part in protecting our oceans and fighting plastic pollution. 🌊🏃‍♂️

Where: Greenwich Park, London, SE10 8QY

When: Sunday 26th April 2026

What: 26.2 miles running through iconic London landmarks

What can you expect from us?

A warm welcome: You’ll have a team of fundraising experts on hand to help make your fundraising a breeze! We’ve got everything you need.
Resources: Our digital fundraising pack bursting with fundraising tips and tricks.
Join a team: Meet like minded runners who are making a impact on the health of our waterways. You’ll receive a high quality sustainable running vest.
Route-side cheering and post-event reception: Get ready for an adrenaline-fueled boost as you pass our cheer point, and once you’ve crossed the finish line, come and celebrate at our post-event reception.

Application for 2026 Charity Place

Have you always wanted to run the most iconic race in the world? Do you want to run it with a purpose, for a charity who is fighting for clean waters? Follow the link to apply for a charity place with Surfers Against Sewage for London Marathon 2026.

Entry fee: £100 (Paid upon successful application)
Minimum Fundraising Target: £2500
Application closing date: TBC

London Marathon 2026 Charity Application

Ballot Place

Do you already have a place for the London Marathon but still want to fundraise? We would absolutely love to have you join our team and you will receive full support.

Join the team - London Marathon

FAQ's

If I register to use my ballot place for SAS, how much money do I have to pledge to raise?

There is no minimum fundraising amount for SAS ballot place runners – we’re extremely grateful for whatever money you can raise.

What support will I receive if I register to use my ballot place to run for SAS?

Once you’ve registered your ballot place or been allocated a charity place, we’ll support you through your London Marathon journey. Before the big day, you’ll get training, fundraising and media tips by email and a fundraising T-shirt. On the big day, you’ll be boosted by our cheering stations and invited to attend our Race Day Hub, where you can enjoy refreshments.

A race day guide of what to expect on the big day will be sent to you ahead of the race.

Our Community Fundraising Team are here to answer any questions or concerns you may have about running for SAS – get in touch at fundraising@sas.org.uk.

Where will my money go?

Your incredible efforts raising money could help support a number of our incredible programmes:

Our free-to-use Safer Seas & Rivers Service app which now covers over 400 locations, meaning that more water users than ever have access to real-time sewage alerts. Plus, it to expose water companies’ seedy activities.
Our brand new Data HQ, a combination of sewage, sickness, citizen science and recreational data to empower people all over the country.
Protecting Wild Waters. Through our Protecting Wild Waters campaign we are campaigning for more rivers, lakes and lochs to become designated as bathing waters.
Our annual Water Quality Report – exposing the shocking habits of UK water companies, including 143 potentially illegal spills.
Our Million Mile Clean, which collects data for our Brand Audit through citizen science – exposing the dirty dozen brands polluting our blue planet and holding them to account.