Young Muslims from around the country travelled to London's Hyde Park to take part in a 10K challenge and raise hundreds of thousands of pounds for several charities, including CLIC Sargent.
Hundreds of volunteers took part in the 31st "Mercy for Mankind" 10K charity challenge - that participants could run, walk or cycle - organised by the Ahmadiyya Muslim Youth Association (AMYA).
The AMYA is the UK's largest Muslim youth organisation and the leading Muslim youth group challenging extremism in the UK.
Over the years the organisation has raised a total of £1.6million for dozens of charities. This year members hope to have raised £400,000 to bring the total to £2million.
Leading up to the 10K run, volunteers arranged a number of local fund raising initiatives in schools, football stadiums and supermarkets.
Volunteers were joined by former England cricketer Matthew Hoggard, Ed Davey, secretary of state for energy and climate change, and Justine Greening, secretary of state for international development.
Mr Hoggard said: "Mercy for Mankind - I think mankind says it all. It doesn't matter where you come from or what your background is.
"We all have the same beliefs, the same upbringings and to see so many youngsters raising money for great causes is great."
Mirza Waqas Ahmad, national president of AMYA UK, added: "All the participants, the charities and the prestigious venue all made the Mercy for Mankind run a thoroughly enjoyable event and we were blessed with excellent weather.
"We are already looking forward to our next charity event and are keen to raise even more for charity."
CLIC Sargent Fundraising Manger Helen Lye said: "AMYA has been a great support to CLIC Sargent over the past two years helping to raise a great amount of awareness and donations.
"With dedicated volunteers like AMYA we can continue to support children and young people with cancer and their families."
Show your support
To find out more information about the event, or to donate, visit the Mercy for Mankind website.