The Big Half 2019

Fundraising Target

Registration for this event has now closed and we are not accepting charity place applications. If you have your own place in the event then fill our online form below to support us.

Sign-up to turn your miles into smiles at The Big Half – London’s most exciting half marathon. Starting and finishing at Tower Bridge, join 11,000 other runners as your run through the streets of four London boroughs – Tower Hamlets, Southwark, Lewisham and Greenwich – whilst raising funds for children living with untreated clefts.

Charity Place:

Registration has now closed and we are not accepting charity place applications. Click here to view other available races in which you can support Smile Train.

Own Place Participant:

If you have secured your own place then you can still support Smile Train and raise as much as possible, with every £150 raised being able to cover the cost of a cleft surgery.

Fundraise for us using Virgin Money Giving

Set up a Virgin Money Giving page in support of Smile Train and share your challenge with your family and friends. Virgin Money Giving are 100% not-for-profit, meaning more of the funds you raise will help provide children living with untreated clefts the power to smile.


You can alternatively sign-up by contacting us via email at or by calling us on 020 3805 7788. If you have any questions regarding the event then please contact us using the details above.